A fuel line issue that grounded F-35Bs has been isolated and the jets will resume flights soon, according to Defense News. The investigation determined the fueldraulic line, which uses fuel rather than hydraulic fluid to move the actuator for the exhaust system, was improperly crimped. The short-takeoff and landing variant of the F-35 was grounded after a Jan. 16 test flight at Eglin Air Force Base, Fla. The conventional and carrier variants were not affected. (Source: Defense News, 01/28/13) Eglin is home of the F-35 training center.