Definition of Tactical air control party

A Tactical Air Control Party, commonly abbreviated TACP (pronounced TAC-P), is usually a team of two or more United States Air Force Tactical Air Controllers (AFSC 1C4X1), sometimes including an Air Liaison Officer (a qualified aviator), which is assigned to a U.S. Army combat maneuver unit, either conventional or special operational, to advise ground commanders on the best use of air power, establish and maintain command and control communications, control air traffic, act as an inter-service liaison, control naval gunfire, and provide precision terminal attack guidance of U.S. and coalition close air support and other air-to-ground aircraft.