F.A.B. = short for Fabulous i.e.'60's , correct as is Hiram Hackenbacker.
Don't worry about Captain Blue, it's John in TB5 to feel sorry for, as someone once said, " the unpopular one, stuck in space on his own for months with nothing but a sackload of puppet porn ".
I couldn't help thinking someone was deliberately taking the P' ( maybe of certain projects of the day & before ) in the 1st Thunderbirds episode, when the Fireflash hypersonic airliner couldn't land due to a bomb in the gear...
" Fireflash, what is your endurance ? "
" Well, with our atomic motors we could stay up for 6 months - but the radiation shields will give up 2 hours from now..."