The Experimental Operations Unit will help accelerate the integration of Collaborative Combat Aircraft in service. The U.S.

WASHINGTON — Military air traffic controllers lost contact with an Army helicopter for about 20 seconds as it neared the Pentagon on the flight that caused two commercial jets to abort their ...

WASHINGTON (AP) — Military air traffic controllers lost contact with an Army helicopter for about 20 seconds as it neared the Pentagon on the flight that caused two commercial jets to abort their ...