aid detachment
(рухома) ремонтна майстерня (напр. на автомобілі)
(рухома) ремонтна майстерня (напр. на автомобілі)
navigational aid (NAVAIDs); aid to navigation (ATON)
junction aid (obstruction aid)
obstruction aid (junction aid)
air weather service detachment
headquarters and headquarters battery / company / detachment / troop (HHB / HHC / HHD/ HHT)