I might have faulted while labeling the following picture. Its just my assumption, the real structure labeling might differ.
HN1:
wingspan: 3 meters/10 feetlength: 6.4 meters/21 feettotal weight:1,400 kilograms/3,090 poundswarhead weight:400 kilograms/880 poundsspeed: subsonicrange: 600 kilometers/370 MI / 320 NMI
source: http://www.vectorsite.net/twcruz7.html
Or may be they just didnt paint the booster 🙂
http://news.yahoo.com/news?tmpl=story&u=/050811/ids_photos_wl/r701090296.jpg
http://news.yahoo.com/news?tmpl=story&u=/050811/ids_photos_wl/r3954790242.jpg