офіцер із захисту від ХБР-зброї
ABC
ABC warfare
ABC weapons
ABC-protective mask
field officer (field-grade officer / senior officer)
Senior Air Defense Officer (SADO)
passive defense officer
radiological defense officer
perimeter defense (all-around defense)
beach defense mine / beach-defense mine
above water warfare officer
Air Force Officer Training School
air liaison officer (ALO)
air officer`s guide
airlift duty officer
anti-submarine warfare officer
Army Officer Candidate School
assignment officer
calling officer
career officer
chemical officer
chief information officer (CIO)
Chief Petty Officer (CPO)
Chief Staff Officer
chief warrant officer
commanding officer (CO)
commissioned officer (ComO)
communications officer
control organization officer
duty officer
executive officer (XO)
fighter duty officer