ADA-Signal Operations Battalion. - USA Voorschrift Field Manual 11-44 (Test) Laundries, laundry batallions, and laundry companies ; December 12, 1942 - USA Technical Manual, TM 10-350 training regulations Cavalry : drill and combat signals / prep. under direction of the Chief of Cavalry - United Staten War Department Training Regulations TR 425-20 Materiel instruction memorandum : The Firing Battery 105mm Howitzer M2 Materiel instruction memorandum : The Firing Battery 75mm Pack Howitzer, M-1 Materiel instruction memorandum : The Firing Battery 155mm Gun M1 Elementary combat intelligence Gunnery instruction memorandum : Survey plans and procedures in the field artillery battalion and regiment Troop Leading and Staff Functioning of the Infantry Battalion and Regiment Corps of engineers / War Department : Combat regiment - The battalion and regiment - USA Voorschrift, Training Regulations, No. 445-19 Chemical mortar battalion tactics and technique - USA Voorschrift, Field Manual, 3-20 Air cavalry combat brigade - USA Voorschrift, Field Manual, 17-47