позачерговий сеанс зв'язку (про розвідку / термін спецслужб)
unscheduled safing procedure
unscheduled maintenance
unscheduled repair
unscheduled flight
unscheduled preventive maintenance
contact, to obtain contact
establish radio contact / communication
radio contact
single-channel ground and airborne radio system (SINCGARS) radio
radio pouch, PRR pouch / personal role radio pouch
radio rucksack, radio carrier rucksack
radio-radar; radio/radar
air contact
contact
contact along the front
contact area
contact burst
contact countries
contact detachment
contact flight
contact line
contact mine
contact point
contact shot
contact with the enemy
contact zone
contact-free war
HUMINT contact operation
line of contact (LoC)
movement to contact
non-contact NLC
obtain contact