order of battle noun1 •The arrangement of units or other divisions of the armed forces in combat; specifically, the deployment plans of an enemy, or a written record of this.Working for the Resistance, Challe, a regular airman, had skilfully obtained the Luftwaffe order-of-battle on the eve of D-Day and transmitted it to London, for which he was awarded the British D.S.O. — 1977 formsorders of battle
