перекидання через кордон (напр. агента розвідки з фальшивими документами)
grey-zone / grey zone (international relations)
Grey Eagle (MQ-1C)
man in grey
MH-139 Grey Wolf (MH - Missionized / Multi-Mission Helicopter)
defense against infiltration
infiltration lane
infiltration efforts
infiltration techniques
infiltration water
airborne infiltration
surface infiltration
infiltration