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| English | Russian |
| IFF equipment | устройство "свой-чужой" (identification friend-or-foe equipment) |
| IFF transponder | ответчик системы госопознавания (Identification Friend or Foe. A system using radar transmission to which equipment carried by friendly forces automatically responds by emitting a unique characteristic series of pulses thereby distinguishing themselves from enemy forces. Alexander Demidov) |