adjutant american civil war army medical services army group artillery battery blt battalion of death battle of the bulge brigade british army infantry chaplain colonel combat support company combat service support commanding officer corps executive officer fireteam gce german language headquarters and headquarters company headquarters and service company infantry intelligence corps italian language lieutenant lieutenant colonel light aid detachment machine gun major march battalion marine expeditionary unit mechanized infantry military organization nato non-commissioned officer platoon quartermaster reconnaissance regiment regimental quartermaster sergeant regimental sergeant major royal anglian regiment royal army ordnance corps royal corps of signals royal electrical and mechanical engineers royal engineers royal pioneer corps seabee second-in-command sergeant major squad squadron task force the rifles united states army united states marine corps united states navy warrant officer world war ii