допоміжні площини керування
clipped-delta tail-control surfaces
primary control surfaces
flight control surfaces
outer surfaces
secondary system of fire control
secondary control officer
secondary blast effect
secondary burn
secondary dogwatch
secondary effect of blast wave
secondary fire sector
secondary high explosive
secondary injuries
secondary item
secondary landing
secondary magazine
secondary military occupational specialty (MOS)
secondary objective / target
secondary port
secondary task
secondary water terminal
secondary sector of fire
secondary fragmentation
buddy secondary life support system
secondary frame
secondary defect
additional secondary factor (ASF)
secondary alteration
secondary cyclone
secondary depression
secondary radar
secondary rainbow