
The U.S. Air Force hopes to wring out enough savings from its new F-35 Lightning II fleet to allow the stealthy fighter jet’s sustainment costs to match those of legacy fighters, the service's chief of staff said March 29.High sustainment costs for the Lockheed Martin [LMT]-built fifth-generation fighter “are a major concern right now” and “have got to go down” to be affordable, Gen. David Goldfein told the Defense Writers Group. “We’re not going to stop until we can get those…