armor and amphibious operation

airborne and amphibious operation

amphibious armor crewman

airborne/ amphibious operation

amphibious operation

joint amphibious operation (JAO)

joint amphibious operation

armor piercing projectile / armor-piercing projectile

armor kill / armor killing area

clandestine operation; covert operation

humanitarian operation; humanitarian relief operation (HUMRO)

PZ operation (pick-up zone operation)

noncombatant evacuation operation (NEO); non-combat evacuation operation

observation and fields of fire, avenues of approach, key and decisive terrain,obstacles, and cover and concealment (OAKOC)

armor piercing high explosive with (a blunt nose and) a ballistic cap

cordon and search operation

information and intelligence-based operation

maintenance, repair and operation (MRO)

operation and maintenance, Army (OMA)

search and attack operation

search and rescue operation

clearing and isolating operation to root out enemy fighters

search and destroy operation

clear-and-hold operation

airborne/ amphibious assault force

amphibious aircraft

amphibious assault

amphibious assault area

amphibious assault force

amphibious assault force landing area

amphibious assault ship (LHA)

amphibious assault vehicle

amphibious cargo ship