If all 52 days of annual vacation are spent flying old helicopters or WWII bombers. If every day off is another opportunity to work on the B24 or B29.
If all 52 days of annual vacation are spent flying old helicopters or WWII bombers. If every day off is another opportunity to work on the B24 or B29.
It's much more difficult than rocket science!
It's more like helicopter aerodynamics!