The officers described the navigation and bomb aiming computer as being held together with bits of string and operated by bicycle chain, supplemented it with a £5 pocket calculator bought from a local market, and re-learned, in under 3 weeks, the lost art of refuelling a Vulcan in flight, 20 years after the RAF decided it was too dangerous during the aircraft's career as a nuclear deterrent. The aircrew are about as typically "Monty Python" RAF as you could wish for.
