Yes, I think you’ve nailed ’em – XV103, ZA142 & the cockpit of ZA144 🙂

Except………………….

Sorry to reply after so long, but if you do google into St Athan, then you will find a 4th VC10. if you follow the line of the North-South runway further North, you will find the St Athan Picketson site where Crash and Smash are located, you will see that they have the remains of ZA144 (incidentally this is now on the south of the airfield!)

That is definately XV103 being dismantled, as I was there at the time.

If the engineless airframe at the VC10 hanger is ZA142, then that makes the mystery cockpit ZD235 (or vice-versa) which was scrapped around the same time.

I would guess that the google picture was taken about 2002 as the DARA super hanger, Personnel services flight, and the all weather pitches are not built, and the sports stadium is still there!