F-35 fleet clocks 50,000 flying hours

The worldwide fleet of F-35 Lightning II aircraft operating at 12 different locations surpassed the 50,000 flight hour mark this month. The first flight hour was achieved by an F-35B aircraft, BF-1, June 1, 2008. The 25,000 flight hour milestone occurred in December 2014, six years and six months later. As a sign of program growth and maturity, the second 25,000 flight hours were reached only