Strategic Air Command Bomb-Nav Competition 1977

Twenty-first Annual Bombing and Navigation Competition/GIANT VOICE was conducted in three phases. In-unit competition was held 1 June through 31 August. The second phase had four bomb and two tanker crews from each unit competing between 13 and 16 September. The final phase was held between 21 and 23 September with two crews each representing 18 bomb wings and 24 tanker units. Two crews each from TAC F-111 wings and the RAF Vulcans also participated. There was participation by three USAFR units.