06-21-2019, 05:23 AM
That's a ton of hours. IIRC, the Air Force's original requirement was that the air frame should be good for 4K hours. General Dynamics delivered an air frame guaranteed for 8K hours. The latest iteration is rated for 12K hours. That's a lot for an aircraft that routinely pulls 9 Gs.
https://www.af.mil/News/Article-Display/...-af-first/
https://www.af.mil/News/Article-Display/...-af-first/