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. 
The F-47 Next-Generation Air Dominance fighter will have a combat radius of greater than 1,000 miles—nearly double that of the F-22—and the Air Force plans to acquire more than 185 of them, Chief of Staff Gen. David W. Allvin revealed. The first Collaborative Combat Aircraft, ...