надати негласну допомогу (про розвідку / термін спецслужб)
clandestine
clandestine operation; covert operation
clandestine border crossing
clandestine operation
clandestine organization
experience with clandestine work
keeper of a clandestine address
give away
give ground
give quarter
give way
give off fumes
give assignment to KP duty / put on KP (kitchen patrol / kitchen police)
give away (one's) position
give someone a blanket party
give a full picture
give away the secret by careless talk
give classified intelligence
give covering fire
give elevation
give rise to a recruitment situation
give stealth capability
give way vessel
give employment to the enemy
Allied Joint Doctrine for the Military Contribution to Humanitarian Assistance (AJP-3.4.3)
army legal assistance program
bilateral assistance
disaster relief assistance
electoral assistance
general temporary assistance (staff / personnel)
humanitarian aid / assistance (HA)
logistic assistance