2 minute cockpit readiness was 'easy', if boring and sometimes cold. The real challenge was the 'standard' 10 minutes, in a bed at night, kitted with bunny suit, g-suit and goon suit. It was often said that we mostly ran on 'auto' in the scramble and generally woke up at about 10,000' on the way up. Of course, those who failed to lock their canopies before rolling woke up a little earlier.
One also became fairly proficient at what was known as an 'op crap' when required