Service of Radar Set AN/TPL 1. FM 44-77 Operations of Engineer Troop Units. FM 5-6 Field Fortifications. FM 5-15 Explosives and Demolitions. FM 5-25 Engineers' Reference and Logistical Data. FM 5-35 Armored Division Engineer Battalion. FM 5-134 Engineer Construction and Construction-Support Units. FM 5-162. Field Army Support Command. FM 54-3 Field Artillery. Firing. FM 6-40 4.2 Inch Mortar M30. FM 6-50 Field Artillery. Battalion Honest John. FM 6-61 155 mm. Gun M2 on Motor Carriage M40 and 8 Inch Howitzer M2 on Motor Carriage M43. FM 6-87