Military symbols and abbreviations Military government / The Infantry School, Staff Department Characteristics and effects of atomic explosions / Staff Department. The Infantry School (Fort Bennings) United States Air Force : basic data Leader's handbook / publ. at the US Army Infantry School Cavalry Field Manual : Mechanized Cavalry Field artillery : Automotive Instruction / prepared under the direction of the Chief of Field Artillery Tactics instruction memorandum : Tactical Aspects of Field Artillery Fire Direction Weapons (Marine Infantry Battalion) Gunnery instruction memorandum : Short Base Flash Ranging for Marine Field Artillery Gunnery instruction memorandum : Construction and Use of a Rapid Computer for Survey Traverses Materiel instruction memorandum : Sighting and laying equipment for field artillery materiel