company (grade) officers (Co Off)

молодші офіцери (офіцери ротної ланки)

company grade officers

field grade officers

junior grade officers

mid-grade officers

grade-ascending ability / grade ascending ability

company grade personnel

board of officers

general and flag officers

officers and men

officers’ staterooms

Reserve Officers' Training Corps (ROTC)

non-commissioned officers

Armor Reserve Officers Training Corps

Canadian Forces Warrant Officers Academy

visiting officers' quarters

non-commissioned officers and enlisted ranks

Air Force Reserve Officers' Training Corps

company tactical group / company tactical team

administrative company / administrative support company

off-route (off route)

off-design / off design

lift-off / lift off

on-off keying; on/off keying (OOK)

demote from a grade

down grade (adv)

field officer (field-grade officer / senior officer)

level-crossing = (амер.) grade crossing

lieutenant junior grade