Safety requirements for excavation, building, construction / War department, Corps of Engineers U.S. Army Regulations for the government of the United States army general hospitals / Office of the Surgeon General, War Department military laws of the United States 1915 Regulations for the United States Coast Guard Academy Staff Duties in the Field, 1949. Appendix E. Air Reconnaissance Code. WO 8457 - Staff Duties in the Field, 1949. Appendix F. Vehicle Unit Signs … Armor Operations Small Units. FM 17-1 Armored Cavalry Units Armored and Infantry Divisions. FM 17-35 Divisional Armored and Air Cavalry Units. FM 17-36 Tactical Employmemt Tank Destroyer Unit. FM 18-5 Instruction for heavy artillery; prepared by a board of officers, for the use of the army of the United States with service of a gun … Military engineering (tentative) Engineer field manual / prepared under the direction of the Chief of Engineers