KP
Naval Construction Battalion
RN
Royal Navy
Seabees
USN
United States Navy
air arm
air corps
air force
air service
argosy
armada
army
army group
battalion
battery
battle group
brigade
cadre
coast guard
cohort
column
combat command
combat team
company
corps
detachment
detail
division
escadrille
field army
field train
file
fleet
flight
flotilla
flying column
garrison
kitchen police
legion
maniple
marine
merchant fleet
merchant marine
merchant navy
mosquito fleet
naval forces
naval militia
naval reserve
cavalry
aircraft
commander
convoy
crew
cruiser
escort
expedition
frigate
navy
patrol
pilot
platoon
troop