I would like to mention that I have flown the 262 first in May '43. At this time the aircraft was completely secret. I first knew of the existence of this aircraft only early in '42 - even in my position. This aircraft didn't have any priority in design or production.
To say yes you have to sweat and roll up your sleeves and plunge both hands into life up to the elbows. It is easy to say no even if saying no means death.