training regulations Cavalry : the cavalry rifle troop / prep. under direction of the Chief of Cavalry - United States War Department Training Regulations TR 425-45 training regulations Cavalry : drill and combat signals / prep. under direction of the Chief of Cavalry - United Staten War Department Training Regulations TR 425-20 training regulations Cavalry : armored-car marksmanship / prep. under direction of the Chief of Cavalry - United States War Department Training Regulations TR 425-90 Dispatch drafting manual Materiel instruction memorandum : The Firing Battery 105mm Howitzer M2 Gunnery instruction memorandum : The Graphical Firing Table (GFT) Materiel instruction memorandum : 75mm Pack Howitzer, M-1 Materiel instruction memorandum : Preparation of Vehicles for Deep Water Fording Materiel instruction memorandum : Duties of the Safety Officer Gunnery instruction memorandum : Conduct of Fire by Forward Observation Methods Gunnery instruction memorandum : Use of Oblique Photographs in Firing Gunnery instruction memorandum : Time Fire Using Shell Fuzed With Fuze M54 of M55