Check out this photo of one of the “exercises” a volunteer must undergo if he wants to qualify for training to become an Air Force pararescuemen. This was just a “screening” session. If an individual passes, he then undergoes 10 weeks of the really tough stuff.
The Pentagon on March 30 announced a a $3.8 billion contract modification to buy F135 engines for the F-35 Joint Strike Fighter from contractor Pratt & Whitney.