Meanings

ambulance crew

railway police (Japan)

naval brigade

military affairs

formation flying

paratroop corps

air flotilla

(military) unit flag

battalion commander

independent unit

motorcycle police

elite unit

quarters

police mobile traffic unit

Shimonoseki campaign (1863-1864)

Japanese Antarctic Research Expedition

National Police Reserve

shock troop commander

Sentai-like show (sub-genre of tokusatsu featuring teams of superheroes, e.g. Power Rangers)

armored unit