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. 
Funding to build the next two batches of F-35 fighters, originally expected to be finalized by the end of June, won’t be awarded to Lockheed Martin until sometime this summer, the jet's Joint Program Office told Air & Space Forces Magazine.