The U.S. Air Force is turning obsolete F-16 Fighting Falcons into target practice, a longstanding tradition as older planes age out. The dronified F-16s will be used to test new weapons, including the F-35 Joint Strike Fighter.

The Air Force had previously relied on F-4 Phantoms turned into target drones, but the supply of obsolete Phantoms is drying up. The air service turned to Boeing for help converting older F-16 fighters into drones.

Read more- Popular Mechanics

Image courtesy of the U.S. Air Force