Which would mean either BDA time - and I can sssure anyone who has never had the pleasure of that, that it's 'cking difficult. As the very brave Italian AF proved on night 1 of GW1......
Or else hiring the services of the good ol' boys of Omega Air flying prehistoric 707s.
When the spares support of your fleet is so awful that you have to cannibalise perfectly good jets to keep the rest going, it's time to quit......
Incidentally, when the last VC10K2 was flown to RAF St Athan to be turned into pots, pans and razor blades, as dutiful co-pilot to my captain, herself the grand-daughter of the chap who'd brought the aircraft into service with BOAC, I phoned Brize on my spiv-phone to report the serviceability. It was, of course, fully serviceable........
MoD-box, cut the bolleaux and shift your ar$e on FSTA.