The Air Force last week conducted biofuel testing with an F-22 at Edwards AFB, Calif. The Raptor flew on a half-and-half blend of hydrotreated renewable jet fuel and standard JP-8 aviation fuel. HRJ is derived from inedible herbaceous stock; in this case, it’s oil from the camelina plant. The F-22 prosecuted a battery of tests throughout its flight envelope, including cruising at Mach 1.5 in level flight at 40,000 feet. The aircraft “performed flawlessly on the biofuel blend, citing no noticeable differences from traditional JP-8,” said Jeff Braun, director of the alternative fuels certification division at Wright-Patterson AFB, Ohio. Service officials have chosen the F-22 as the pathfinder platform for certifying all fighters to use this fuel blend. Back in February, the C-17 became the first USAF aircraft cleared for unconstrained use of HRJ blends. The Air Force is embracing HRJ and other alternative fuels to decrease US dependency on foreign-sourced petroleum. (Edwards release)
The top Air Force commander on on the Japanese island of Okinawa has clamped down alcohol and issued a curfew for junior enlisted Airmen and Guardians at Kadena Air Base for the next month. The order came roughly two weeks after a U.S. Marine was arrested for allegedly robbing and…