order of battle

• battle order

order of battle (plural orders of battle)

1. (military) 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. [from 17th c.]
   • 1977, Alistair Horne, A Savage War of Peace, New York: Review Books, published 2006, page 311:

     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.

• “order of battle”, in Merriam-Webster Online Dictionary, Springfield, Mass.: Merriam-Webster, 1996–present.