Actually, the CVV was first proposed under the Ford administration by both Secretary of Defense Laird and Chief of Naval Operations Elmo Zumwalt, with the order for the design study being issued on 21 Sept. 1972, and it did have a specific mission.
It was to be the replacement for the Midway class carriers… the FDR was due to be decommissioned in 1976, and the Coral Sea was to become the training carrier in 1979.
They wanted to end the cycle of ever-larger and more expensive carriers, and specified that the replacements for the Midway class be no larger than the ships they replaced (sound like the CVA-01?).
The result was the “T-CBL”, which was not ordered.
Laird’s replacement, Schlesinger, ordered a new round of studies in July 1975, but after Zumwalt’s term as CNO ended the USN resisted heavily, insisting that all new carriers must be nuclear powered… which cancelled that phase of development.
Ford persisted, however, caling for the construction of two oil-fired carriers for Fiscal Years ’79 and ’81, to be capable of operating both CTOL and VSTOL aircraft, and were designated CVV.
The Carter administration found the idea actractive for the same reasons as Ford had, and continued the studies, resulting in the plan you posted.
Congress finally sided with the Navy, ordering the CVN-71 Theodore Roosevelt in FY’80, and overhauling the training carrier AVT-16 Lexington… which allowed Coral Sea to stay on active service until 26 April 1990.
If there is no area in which Rafale is superior to the Typhoon, when was the last time a “Phoo” took off from, and landed on, an aircraft carrier?
To me, that is the main (possibly only) place where one (Rafale) has a definite advantage over another in that 4 aircraft list.
Yes, the Su-30XX has more room for growth, and probably a bigger payload, but those come at the price of a heavier airframe… which is a negative aspect in a carrier aircraft (if you want that version). It also has a higher life-time support cost and lower serviceability rates (from what I have read, please don’t ask for references as I will just say “discussions on boards like this”).
As a land-based aircraft, the Gripen has the advantage of short & rough field capability, but has a smaller payload and shorter range.
Typhoon is a good all-around aircraft (when they get the A-G fitted), and has the fewest negatives… except for continuing politics-caused delays).
Each aircraft has its unique niche… Gripen for smaller nations with shorter combat ranges and smaller procurement budgets (or poorer “enemies”), Su-30XX for those who want to keep independent of the Euro-American national agendas, Typhoon for larger land-based forces (or those sucking up to the EU), and Rafale for those who have (or plan to get) carriers or who prefer French products for their own reasons.
You could add three more… F-15E, F-16C block 60+, and F-18 (both types), but the Eagle (big) and Falcon (small) are too old to really fit, and the Bug/Big Bug are too specialized (carrier aircraft that are too small & old [C/D] or aerodynamically hampered [E/F]) to really compete that much.
Yes, there have been some F-15 wins over all the original 4, but those were heavily political choices, not design wins.
If I ran a small-medium non-aligned nation with a need for a gen 4.5 aircraft, I would look at a 1:3 “high/low” mix of Typhoon/Gripen, unless I had carriers, in which case it would be a “medium only” force of Rafales. The Su is just too expensive in the long-term for my tastes.
A large nation such as India, now, can afford a 3-level mix, with a moderate number of the SU on top, Rafale for the carriers, and Gripen for the bulk of the force.
mobryan… if you read the text below that pic, it says:
“The outer four pylons do not swivel, and have to be emptied and jettisoned in order to reach Mach 1, in service they have been seldom used.”
Only 4 swiveling pylons. :rolleyes:
datafuser… yes, it is. 112 pages, nice pics (all b&w except the cover) and a few drawings (including side cutaway views of both the USAF F-111A and USN F-111B, as well as a 3-view of the Boeing entry in the competition) and a pic of 4 RAAF Aardvarks doing a formation “dump & burn” at an airshow. 😀
My copy is published by Charles Scribner’s Sons, New York; printed in Great Britain; ISBN 0-684-15753-5
9″ high x 7″ wide, so is not a large book.
They didn’t use it very much even in the 1980s… it was there for those “shoot everything you have at the Red Horde, then pull back a few miles to re-arm from the munitions ships… no time to go to port” Cold War WW3 scenarios.
In practice, they found it too dangerous for peacetime, and now they don’t think it will ever actually be needed, even if we get into a major war.
I have found a bit about the 1965 “FB-111M3” in a 1978 book about the F-111, as well as some things I have not seen before on the FB-111H.
From the book:
In the late 1940s the long-range missions of the USAF Strategic Air Command could not be flown by any kind of jet aircraft. SAC did buy a large number of the six-jet B-47, but this relied heavily on flight-refuelling and still could not fly the most important long-haul missions.
Not until Pratt & Whitney developed a high-compression turbojet of reduced specific fuel consumption, the J 57, did it become just possible for a jet bomber to meet SAC’s needs. Even then the B-52 had to be an aircraft of tremendous size, powered by eight of the powerful J57s, to carry a nuclear weapon over the required distance. Gradually the technology advanced, and the range of the B-52 was more than doubled, from 5,000 miles to more than 12,000. But these ranges were for missions flown in the thin air at high altitude.
By 1960 improvements in defending radars and SAMs had made the high-altitude bomber – no matter how good its ECM – extremely vulnerable, especially one as large as a B-52. Its radar cross-section, a measure of the ease with which it can be detected by the defences, exceeds that for all other combat aircraft in history with the exception of one Soviet type. The B-52 was thus forced to operate at low level, but it was not designed for this arduous duty and the vast airframes suffered terribly from cracks, fatigue failures and fatal crashes.
Another SAC bomber was the totally different B-58 Hustler. The world’s first supersonic bomber, this was an even greater technical achievement, and demonstrated such incredible performances as a sustained speed of Mach 2 and range on internal fuel of 5,125 miles as early as 1957. It was a compact, sharp-edged and heavy machine, with extremely advanced flight characteristics bearing close kinship with a One-Eleven with its wings locked at the maximum sweep of 72.50. Such a situation would be a dangerous emergency for the swing-winger, but to B-58 crews it was routine – and not even difficult, provided that everthing worked. But the B-58 was a demanding aircraft, that still could not fly the long SAC missions, and its basic philosophy and systems had by the late 1960s become somewhat dated. Allied with extremely high costs, this resulted in the decision to withdraw the two Bomb Wings of SAC equipped with the B-58 in January 1970.
Today more than half the total B-52 force has also been withdrawn. Out of 744 aircraft built in eight main sub-types only the final two models, the very long-range G and H, remain, a total of 238 aircraft in 17 SAC wings. In each case the aircraft withdrawn have been replaced by the FB-111A, another ill-judged designation which incorrectly suggests close kinship with the F-111A.
The possibility of using a version of the F-111 as a strategic bomber and missile platform for SAC had been discussed since the early years of the TFX studies but these had centred around significantly ‘stretched’ aircraft with weight increased from the 55,000lb level up to about 100,000lb. The fact that the basic tactical aircraft escalated in weight to the 100,000lb level, with maximum conventional ordnance, tended to kill any prospects for major stretching except by turning the F-111A into a completely different and larger aircraft with more powerful engines.
[edit… FB-111M-3?]
There was even a study for a three-engined SAC bomber with the centre engine fed by a dorsal S-duct. At the same time, part of the escalation in F-111A weight had been due to increased internal fuel capacity to recover some of the range lost through excess drag. This in turn kept the idea of a SAC bomber version alive, and with McNamara’s intense personal identification with the programme, and wish to see more versions with maximum commonality, it was always on the cards that it would come to pass.
McNamara announced the FB-111 in December 1965, but before continuing with this important version it is necessary to take a rather large detour through another variant, the F-111K (for the very good reason that most of today’s FBs started life as Ks). The F-111K was born to meet a British order, and it was a time of unique ineptitude, emotion and short-sightedness in British aviation which resulted in decisions and non-decisions that did only harm to the F-111 programme and a great deal more harm to Britain.
The trouble stemmed from the belief – or, at least, feigned belief – of the British Labour Party that the all-British TSR.2 aircraft was a thoroughly undesirable and costly mistake that should be done away with at the earliest possible date. Had the Labour government, which took office in October 1964, stated that Britain had no need of such an aircraft it might have had a case. Instead, the view was expressed that TSR.2 should be cancelled and replaced by the American F-111. As the two aircraft were strictly comparable in missions, capability and timing, the arguments had to centre on the belief that, while the American aircraft was a scintillating marvel, the British one was a ‘can of worms’ that had no chance of succeeding.
The root cause of the vendetta against TSR.2 was really the vague belief that, in building the aircraft a succession of inept governments had asked for, the British planemakers had taken the public for a ride and wasted millions on unwanted prototypes. In fact, the industry had been almost driven round the bend by foolish defence policies and continually changed decisions, and a Conservative Defence Minister had announced in 1957 that there would be no more manned combat aircraft at all! This incredible policy made TSR.2 almost impossible to start, and in 1965 it stood out like a sore thumb as the nation’s only major new warplane.
Two smaller and less-advanced programmes were cancelled almost as soon as the Labour government took office, the Hawker P.1154 being replaced by the American Phantom and the HS.681 V/STOL transport being replaced by the American C-130. The TSR.2 was allowed to survive until April 1965, but by this time – contrary to all the government’s hopes – flight development was going so well that it could have made cancellation more difficult. A technical paper before the Royal Aeronautical Society on the flight-test programme was therefore suppressed, the F-111 extolled to the public as a far better and much cheaper alternative, and the British aircraft cancelled on 6 April 1965. Numerous impressive figures were then published to show how much would be saved by buying the American aircraft.
True to British style there was no searching public examination to discover the truth, but merely wild statements by politicians of all parties who knew little but expressed their views with vehemence. Thus, while Prime Minister Wilson said each F-111 would cost ‘less than half the estimated total’ for TSR.2, his Aviation Minister (Jenkins) later said the price of ‘the Mk 1 F-111 is 20 per cent less than the price at which we did our comparative calculations with the TSR.2’; and while most Ministers in April 1965 gave £300 m as the ‘saving’ from buying the F-111, Defence Minister Healey later put the total saving of all three axed programmes as only £ 110 m. Actual prices were hard to discover, but in December 1965 the Plowden Report on the Aircraft Industry commissioned by the government gave the unit cost of TSR.2 as £5.5 m and that of the F-111 as ‘hardly one half of this’.
Such naive imprecision helped, because, had the British F-111 buy gone through, the ‘ceiling price’ of $5.95 m would certainly have been multiplied by more than two, making nonsense of the much-vaunted cost savings. It would probably have quadrupled, because not only would Britain have had to pay a share of a much larger total R&D bill but the aircraft selected for the RAF would have had the ‘Mk II’ avionics which later proved to cost more than four times the original estimate. On 1 February 1967 Defence Minister Healey announced that the RAF would receive 50 F-111K aircraft, costing in all £135 m through the first five years of operation. (Three months later the cost for 15 years, which one might have expected to be £155 m on Healey’s basis of £2 ½ m per aircraft plus £2 m a year operating cost, was announced as £336 m, without a word of explanation.) Though based on the F-111A, the K was to have the long-span wing of the B, most of the advanced Mk II avionics (apparently all supplied from the USA), the strengthened main gears and increased-capacity brakes and tyres. John Stonehouse, then Minister of State for Technology, visited Fort Worth and said the greatest thing about the F-111 was its ferry range ‘which means it can be deployed throughout the United Kingdom’. Nobody ever did discover what he meant to say, and in any case the only UK base was to be Cottesmore, which had previously been equipping for TSR.2. There were countless further nonsenses and contradictions, including 21 weeks of pointless discussions on the single topic of the UK wish to be quoted ‘a fixed price’ and McNamara’s explanation that he did not have legal authority to do such a thing. By December 1966 this point was reinforced when Healey gave the cost for a mere nine years as £425 m. A month later Prime Minister Wilson announced cancellation, claiming it would ‘save £400 m’. Pity Britain could not go on forever ordering aircraft and cancelling them, because by saving £300 m by ordering the F-111 and saving another £400 m by cancelling it the nation seemed to be on to a good thing.
To return to reality, GD had to try to build the 50 K models, even though its customer (which was the US government) had no idea of the price and did not even have a final build-standard from the British Ministry of Defence. By January 1968 all 50 had been through detail manufacture, 19 were taking ,shape on the assembly line and the two YF-111 K flight-test aircraft were virtually complete. These were oddballs, too far gone to be turned into a USAF service type, and they were redesignated YF-111A and used for various USAF research programmes (one of them was passed to the National Aeronautics and Space Administration and modified at NASA’s Flight Research Center at Edwards with supercritical swing-wings, with which valuable aerodynamic research at various sweep angles was performed in 1972-75 in a programme called TACT, Transonic AirCraft Technology).
The other 48 F-111 K airframes were used in the FB-111A programme, several being already assembled and merely completed to the FB standard. Structurally the K and FB would have been identical, but the SAC bomber has different systems and equipment. When he announced the FB programme at a press conference on 10 December 1965 McNamara said the new aircraft would have ‘twice the speed [of the early B-52 models], with approximately the same range’. In fact, the speed comparison depends greatly on whether one is considering low altitude or high; at low level the clean FB-111 is less than twice as fast as a good B-52 but at high altitude it is about three times as fast. On the other hand, when carrying maximum weapon load it is markedly slowed down, though still faster than the old monster. McNamara said the cost of the 263 aircraft needed to maintain the authorised SAC force of 210 aircraft, including spares, would be ‘on the order of a billion and three-quarters’ ($1,750m).
Though powered by a more advanced TF30 engine, rated at over 20,000lb thrust, the FB has to carry more fuel and sometimes a heavier weapon load than the A-model and usually has a thrust/weight ratio even lower than the original tactical machine. This is no great handicap, and unlike the TAC aircraft the SAC bomber invariably can count on being able to operate from a l0;000-foot concrete runway. The long-span swing-wings are restressed, and though they carry only six pylons the permitted external loads can substantially exceed those of the TAC versions, at the penalty of remaining subsonic, not doing TFR skiing and keeping within restrictive g limits. With the wings not swept beyond 26° and (exceptionally) fitted with eight pylons it is possible to carry 50 Mk 117 bombs of nominal 750lb (two internally and six on each pylon), and as the actual weight of these is about 825lb the maximum bomb load is a remarkable 41,250lb. With this load on board the gross weight exceeds 122,000lb, and at Military (maximum non-afterburning) power the ceiling is described as ‘lower than Pike’s Peak’ (a mountain of 14,110ft). This is of little significance. What is much more important is that the FB-111A was about 30 per cent down on range, though actual figures have not been published.
While each FB crew, comprising pilot and navigator (he is styled thus, though he is at least as much a bombardier and defensive-systems operator), do on occasion fly a maximum-weight mission, most training sorties are flown at lower weights. With internal fuel only, the FB weighs about 81,5371b, and with six SRAM missiles about 95,100lb. With four 500 Imp gal external tanks the weight is 100,4581b, and with six rather over 110,000lb. A typical load in a nuclear conflict might be six Mk 43, Mk 57 or TX-61 free-fall bombs, two of them in the internal bay. Against strong defences SRAM would be by far the most important weapon. Weighing about 2,230lb, it is an almost perfectly streamlined missile with three tail fins set at 120° but without wings. A pulsed rocket motor propels it at highly supersonic speed on any desired trajectory, at high or low altitudes, with options of skiing over the ground at tree-top height, taking evasive action or hitting its target from behind. Though its initials signify Short-Range Attack Missile its maximum range at high altitudes is over 100 miles. Despite its small diameter, and tiny radar cross-section, it carries a formidable thermonuclear warhead. The FB-111A carries a computer and other special avionics to make it compatible with the slim white missiles, with which it could destroy six major targets – cities even – in a single sortie.
The first FB, a converted F-111A, flew on 30 July 1967, followed on 13 July 1968 by the first production aircraft (fitted temporarily with P-3 engines). The first delivery was made to SAC’s 340th Bomb Group at Carswell AFB on 25 September 1969, where the Commanding General, Bruce K. Holloway (who as USAF Director of Operational Requirements had played a central role in the early years of the TFX programme) ceremonially accepted it on 8 October. He said the FB would ‘play a substantial role in contributing to the SAC mission of deterrence through the 1975 time period’. At that time there seemed every chance the B-1 would soon become the prime manned delivery system of SAC, but this was not to be. The FB, and the creaking old BUFFs (Big Ugly Fat Fellas, as the B-52 is affectionately known), will have to soldier on not just to 1975 but possibly to 1995, or whenever the wings finally part company with the fuselage.
What makes SAC’s task harder is that range is, as noted earlier, 30 per cent short. When he became SecDef Melvin Laird cast a critical eye over the FB-111A programme, and on 19 March 1969 he said it did not meet the requirements for an intercontinental bomber. Laird was SecDef for a new administration, and might have been expected to knock the F-111. He cut procurement from 203 to a mere 70, ‘to salvage work in progress’. McClellan gleefully reported that these 76 would cost $1.2 billion, or 70 per cent of the planned cost of the original 263.
In service this force supports 60 aircraft in the combat inventory, as listed in the Appendix. For eight years they have operated on average more intensively than other USAF combat aircraft, in arduous circumstances, with alert forces at ready status around the clock not only at the two home bases but also dispersed to an average of six airfields at anyone time. In May 1970 SAC participated in the RAF bombing competition, and two of the brand-new FBs were allowed to go along not to compete but just as a navigational exercise. One finished just pipped into second place by a B-52 after having led the field for most of the contest. In November 1970 the swing-wing bomber officially participated in SAC’s own competition. Two crews entered, and one came first in bombing and the other second in bombing and first in combined bombing and navigation.
In most respects the FB is a valuable delivery system. When the author met the SRAM Program Director, Col Lawrence A. Skantze, at an early stage in the missile’s introduction to the Air Force, he was left in no doubt that it is regarded highly. According to Skantze, ‘Compatibility between the airplane and missile so far has been excellent… In fact, it is better than in the B-52, and the superior inbuilt navigation system of the FB-111 indicates that we will consistently achieve better CEPs with that aircraft’. CEP, rendered as Circular Error Probable or Circle of Equal Probabilities, is the circle within which half the hits may be expected to fall when aiming at a point target, or the circle within which the probability of any one missile hitting is 50 per cent. With SRAM the CEP is always within the effective radius of the warhead, but when launched from an FB-111A the area of CEP is roughly halved.
To close this chapter we have to take a brief look at how SAC shapes up in the wake of the cancellation of the B-1 in July 1977. Though the Soviet Union was insistent that the FB-111 A should be discussed in all SALT (Strategic Arms Limitation Treaty) negotiations it has never been regarded as a true strategic bomber; it is not in the same class as the much larger and heavier Tupolev Backfire. Yet opponents of the costly B-1 programme, recognising the vital need to maintain a force of manned delivery systems (without which the United States could be faced with the terrifying decision either to start a nuclear war on the mere radar detection of an enemy attack or else wait until it was destroyed), called for a development of the FB-111 to be bought instead of the completely new B-1. Unfortunately the two delivery systems are as alike as chalk and cheese, and the probability that the FB will eventually carry the ALCM (Air-Launched Cruise Missile), either AGM-86A or Tomahawk, does not alter the fact.
The proposal was summed up in a letter to Senator Barry Goldwater, dated 23 February 1976, by the Commander of SAC, Gen Russell E. Dougherty ‘This alternative has the initial appeal of offering a more modern and higher-performance penetrator, since the FB-111 is basically a hard and fast aircraft with low radar reflectivity. However, our continuing analysis of the various proposals for FB-111 upgrade has led to the conclusion that the extensive modification required to make the FB-111 comparable to the B-1 would be, in effect, an entirely new aircraft. The basic design… does not have the growth potential to compete efficiently… It does not have the desired low-level range and payload characteristics, and, in order to do the job required, would have to be procured, manned and supported in such large numbers that it is neither an economical nor efficient alternative to the proposed B-1 force. As respected as the FB-111 is within SAC’s manned bomber force, we have a pragmatic recognition of its limitations in size and range, neither of which can adequately be overcome by modification.’
This was a fair assessment, but after President Carter cancelled the B-1 the US Air Force was placed in a critical position. How could it maintain a credible manned delivery system throughout the 1980s? Certainly not with the B-52 nor with the FB-111A, but there was a possibility that Congress would agree to fund a stretched FB-111.
[edit… FB-111H]
Systems Command dusted off the earlier studies and by August 1977 had crystallised its ideas which became an increasingly open secret (though as this book is written, a month after that time, still nothing has been said officially in public). There are several options, but the most important and likely action is procurement of about 80 completely new aircraft to a substantially different design and probably to be designated B-2A.
The chief modifications would be to the fuselage, which would be considerably enlarged and at least 10ft longer. It would have internal tankage for a total of approximately 9,000gal of fuel, weighing nearly 72,000lb and increasing maximum takeoff weight to about 160,000lb. Engines would be 2 General Electric F101 advanced augmented turbofans almost identical to the engine cleared for production of the B-1, each rated at 17,000lb dry and over 30,000 with full afterburner. The weapon bay would be enlarged to accommodate a rack launcher for four SRAMs, while each of the six wing pylons would carry a side-by-side pair of cruise missiles. Unofficial reports claim the new aircraft would have ‘almost the same range as the B-1’, but this is not possible with maximum weapon load when a practical radius of action of 2,500 miles would appear the limit.
Prior to this new-build programme there there would certainly be at least one rebuild of an FB-111A, which might fly in 1980. R&D cost has been estimated at $380m, plus $195 million for further development. There is also a chance about 65 of the existing FB-111A force might be similarly rebuilt in 1980-83 at a cost of about 2.3 billion 1977 dollars. The new programme of 80 additional aircraft would probably cost $4.2 billion. How far the new or rebuilt aircraft could equal the instant-reaction, nuclear-resistant capability of the B-1, or the latter’s immense defensive-electronics systems, remains a matter for conjecture.
For an excellent “as found” museum display aircraft, look no further than the P-40 recovered from the beach at Anzio, Italy that was discussed recently on this forum (I don’t have the link to that discussion, but here is the link to a pic:
Yes, this was supposed to replace the B-58… and is the conceptual grandfather to the much talked-about “FB-22”.
I have never seen a drawing, but have heard about it.
The FB-111A was eventually produced as an interim model until the B-1 entered service.
The Mk 29 is the 8-round, above deck, trainable launcher for Nato Sea Sparrow… not a VLS system.
Thanks for the extensive U/W photo gallery… as a certified (recreational only) SCUBA diver, as well as a former military aircraft maintenance tech, I am always interested in the more involved diving procedures… especially those involving aircraft.
In post #98 [pg 4], Obi Wan Russell wrote:
“I think you are referring to the post CVA-01 cancellation offer by the US Government in 1966 of THREE Essex class CVs to the RN in order to keep it’s main ally in the carrier club. The actual ships have not been named, although most writers assumed they would be three of the six SCB-27C/ SCB-125 modernisations (ie two steam catapults, angled deck, hurricane bow etc) but now it seems they may have been offering unmodernised vessel held in reserve which could be modernised to British standards as a ‘blank slate’ (British catapults, arrestor gear, radars etc).”
There were 4 basically unmodified Essex class carriers available in 1966 (plus 3 with relatively minor modifications):
CVS-13 Franklin – decom 17/2/47; stricken 1/10/64 (sold for scrap 27/7/66 [AVT-8 1959])
CVS-17 Bunker Hill – decom 9/1/47; stkn 1/11/66 (test ship > Nov 1972; Scrapped 1973[AVT-9 1959])
{both of these were being held for “ultimate modernization” after having been repaired from severe battle damage in WW2}
CVS-32 Leyte – decom 15/5/59; stkn 1/12/69 (sold for scrap _/_/70 [AVT-10 1959])
CVS-47 Philippine Sea – decom 28/12/58; stkn 1/12/69 (sold for scrap _/3/71 [AVT-11 1959])
CVS-36 Antietam – decom 8/5/63; stkn 1/5/73 (sold for scrap 28/2/74 [CVT-36 1957])
{had been the test ship for USN angle deck experiments, and had only a small angle extension (without a supporting sponson), and no other significant improvements)}
CVS-39 Lake Champlain – decom 2/5/66; stkn 1/12/69 (sold for scrap 28/4/72)
CVS-40 Tarawa – decom 13/5/60; stkn 1/6/67 (sold for scrap 3/10/68 [AVT-12 1961])
{these had the basic SCB-27A upgrade, but were not fitted with an angle deck}
Bunker Hill, Leyte, and Phillippine Sea seem to be the most likely, as they were the ones with the least usage… Franklin was likely already well stripped of useful equipment for the ships still in active service.
“Ultimate” Reconstruction: This was a never-realized program to upgrade Essex class ships to a final, completely modern configuration. The SCB-27A/27C programs were seen as a temporary measure pending development of an “ultimate” configuration for the class. Ships of this configuration would have operated with the “supercarrier” United States in large nuclear-strike groups. The design would have been completely flush-decked, with no island at all.
With the death of United States and the development of the angled deck, the “ultimate” plan was reconfigured but probably stayed alive. It is unclear when it was realized that the “ultimate” modernization of Essex class ships should be dropped in favor of SCB 125 and new construction.
Two ships were excluded from other modernization programs to make them available for the “ultimate” conversion — Bunker Hill and Franklin. These ships had been heavily damaged near the end of the war, fully repaired, and laid up in excellent condition. Ultimately they went to the breakers unmodified.
SCB 27A: First major upgrade program applied to Essex class. This was a general, all-around upgrade, including a completely rebuilt and reconfigured island, strengthened flight deck fitted for jets, new arresting gear and hydraulic catapults (H-6 replaced by H-8), new aircraft fueling arrangements, and all deck-level 5 inch guns removed. The gun armament was reduced to 8 single 5/38 DP and 12 to 14 dual 3/50 AA; the gun battery was gradually reduced over time. The rebuild did not include an angled flight deck. Displacement was 40,600 tons, with hull bulging from 93′ to 101′.
SCB 27C: This program replaced the SCB 27A, and went one slightly further. Most details were the same as SCB 27A, but the ships carried C-11 steam catapults rather than hydraulic, and had only 4 5/38 guns. The change to steam catapults was a major operational improvement, and allowed the ships to operate much larger and heavier aircraft with stronger arresting gear, more flight-deck strengthening, and aft elevator moved to starboard deck-edge. Displacement was 43,600 tons, with hull bulging to 103′.
SCB 125: This program was applied to ships already modernized under the SCB 27A/27C programs. The principal changes under SCB 125 was the addition of an angled flight deck to replace the old axial deck arrangement, lengthening the forward elevator, and enclosing the bow. Other features of the ship, including the hydraulic/steam catapult separation between SCB 27A and SCB 27C, were not changed. In some cases this modernization was performed at the same time as an SCB 27A/27C conversion, leading to confusion between the two programs. The prototype conversion for this program was applied to an otherwise unmodified ship (CVS-36), yielding an odd ship with all her WWII features intact, but with an angled deck.
SCB125A: (CVA-34) was the 27C & 125 with metal over the wood flight deck aft and the strongest arresting gear fitted to any Essex carrier.
SCB 144: This program was applied to the ships modified with SCB 27A and 125, but not 27C. This was part of the Fleet Rehabilitation and Modernization (FRAM) II , and incorporated an SQS-23 bow-mounted sonar dome, relocation of the side bow anchors to a single one on the extreme forward stem, and equipment changes in the Combat Information Center. [early 1960s](CVS-9, 10, 12, 15, 18, 20, 33).
But the Historic forum does talk a lot about jets… as long as it is a EE Lightning or Canberra, a “V” bomber, a Hawker Hunter, a Javelin, a TSR2, or a Sea Vixen or Vampire.
I love how Jacko cites IRAQ to support the contention that the Merlin can do “Hot & High”!! How about Afganistan… which is far higher an altitude than Iraq?
And as for the 47 being “too big”… I suppose that the USAF is only concerned about rescuing fighter pilots?
What happens when a loaded transport plane or helicopter goes down in a contested area?
How many Merlins would it take to carry the combat troops needed to secure the crash site so the rescue specialists can extract the survivors and then remove all of them while simultaneously having enough room for the medics to treat the wounded in-flight?
And how many less Chinooks would that take?
That is a scenario that has already happened in Afganistan… remember the CH-47 that crashed with troops on-board? And how the other Chinook was too full to get everyone from the crashed helo on board, so they left a group of uninjured men behind to wait for another aircraft?
Having a decent number of fully CSAR-equipped large helos is a D&MN good idea in my book!
Well, since the Italians have already secured an F-35 assembly line, then some F-35s will be “European produced”, whether the UK assembles some “do-it-yourself kits” or not.
Amidships even with the island, and starboard aft of the island… they are smaller than the aircraft elevators on other carriers.
The first drawing shows the original elevator positions [top view is the original layout with bow missiles, and the lower ones are early modification plans], while the second one is supposed to show the new elevator positions.
The USAF ordered the A-7D Corsair II on November 5, 1965… THREE years AFTER the redesignation. Until that time, there were no USAF Corsairs… especially in 1962, like I said!
Ok, I was speaking only of fixed-wing… and yes, I didn’t specifically state that.
And yes, the re were several models of helicopters in use by both branches… so what?
Helicopters were also re-designated under the new system… but I still can’t figure out why someone feels that rationalizing 2 different systems into 1 is obviously some grand scheme to do something shady?