USAF admits F-22 stealth jet is a pain to maintain, and that’s just the ‘skin’!

28 March 2017 (12:59 UTC-07 Tango 06) 08 Farvardin 1396/29 Jumada t-Tania 1438/01 Gui Mao (3rd month) 4715

In this video the U.S. Air Force admits that maintaining the expensive F-22 Raptor’s stealth ‘skin’ (LO, or Low Observable surface) is a never ending expensive effort:

DRONE WARS: QF-4 TO QF-16