розпізнавання 'свій-чужий'
identification friend or foe’ (IFF)
Identify Friend or Foe
identification ‘friend or foe’ (IFF) system
juxtaposition of friend and foe
identification `friend-or-foe`
identification, friend or foe equipment
identification friend or foe
identification friend or foe equipment
foe
potential adversary / enemy / foe