With the F-35 Lightning II, the Pentagon wanted to standardize its stealth fighter jet fleet across the armed services—in principle cutting costs. In practice, this has not worked out.

The U.S. Air Force is preparing to rewrite the rules of aerial combat with the F-47, a next-generation stealth fighter built ...

Maj. Zachary Sessa’s role in leading the F-35C Lightning II’s first combat sorties as part of the U.S. mission to target ...