With the F-22 Raptor and the F-35 Lightning II, the U.S. has fielded two of the world’s most sophisticated, maneuverable and stealthy fighter jets. They both function as airborne shepherds of America’s flock of older combat aircraft, using their state-of-the-art systems to communicate threats and targets on the ground and in the air.

Unfortunately, they have a difficult time communicating with each other.