EDWARDS AIR FORCE BASE, Calif. (AFPN) -- The F-22 Raptor passed the
400-flight-hour mark here recently. Since the summer of 1998, the
Edwards F-22 Combined Test Force has flown two aircraft during 183
evaluation missions. Raptors 4001 and 4002 have meet four out of five
Department of Defense flight-test requirements for 1999. The last is
expected to be met in December. (Air Force photo)
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