Use and Installation of Boobytraps. FM 5-31 Engineer Field Data. FM 5-34 Corps of Engineers. Reference Data. FM 5-35 Engineer Combat Battalion Divisional. FM 5-132 Engineer Battalion Armored Mechanized and Infantry. FM 5-135 Engineer Battalion Armored, Infantry and Infantry (Mechanized) Divisions. FM 5-135 Nondivisional Engineer Combat Units. FM 5-142 Mortar Battery Airborne Division Battle Group. FM 6-18 Rifle Company. Infantry and Airborne Division Battle Groups. FM 7-10 Rifle Company. Infantry, Airborne Infantry and Mechanized Infantry. FM 7-11 Infantry Airborne Infantery and Mechanized Infantry Rifle Plantoons and Squads. FM 7-15 Infantry, Airborne, Infantry, and Mechanized Infantry Battalions. FM 7-20