English ⇄ Russian

hostile encounter stresses
gen.	враждебное столкновение (scherfas)
mil., avia.	воздушный бой (Retired Air Force Major George Filer III, a decorated former intelligence officer (...) stated that the armed forces knew not to shoot at UFOs, because "If we shoot at them, they respond" and the outcome was usually fatal for the pilots and crew. He said the public would "be amazed at how many we've lost" in hostile encounters with UFOs. coasttocoastam.com ART Vancouver)