As futuristic aviation programs gain priority, the F-35—the only in-production, fifth-generation American fighter—is facing new headwinds. Fresh debate over its challenges and its potential in the coming months will shape its future role in the force. 
Full-rate production may slip a little further as initial operational test and evaluation and the integration of the F-35 into a virtual wargaming environment play out, program executive officer Lt. Gen. Eric Fick said March 4. Granting Lockheed Martin's pitch to get a Performance-Based Logistics ...