Lift off
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Fighter jets

Lift off
The Lockheed Martin F-35 Lightning II lifts off during testing at Edwards Air Force Base.  (Al Seib / Los Angeles Times)
Preparing for flight
Air Force Col. Roderick L. Cregier inspects the Lockheed Martin F-35 Lightning II Joint Strike Fighter as it is prepared for flight during testing at Edwards Air Force Base. Per-plane cost estimates have climbed to $161 million. (Al Seib / Los Angeles Times)
Lift off
The Lockheed Martin F-35 Lightning II lifts off during testing at Edwards Air Force Base.  (Al Seib / Los Angeles Times)
Prepared for testing
The Lockheed Martin F-35 Lightning II is prepared for testing at Edwards Air Force Base.  (Al Seib / Los Angeles Times)
F-16
The F-16 fighter jet takes off at Edwards Air Force Base.  (Al Seib / Los Angeles Times)
Maintenance
Air Force Staff Sgt. Brad Anthis checks the Lockheed Martin F-35 Lighting II Joint Strike Fighter as it is prepared for flight during testing at Edwards on March 19, 2013. (Al Seib / Los Angeles Times)
Lockheed Martin F-35 Lighting II Joint Strike Fighter
Air Force Staff Sgts. Brad Anthis, left, and Jonny Hirata, right, check the Lockheed Martin F-35 Lighting II Joint Strike Fighter as it is prepared for flight during testing at Edwards Air Force Base. The numerous decals fixed to the side of the jet are used to monitor flight and payload performance by video during testing.  (Al Seib / Los Angeles Times)
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