reconnaissance and surveillance satellite

surveillance, high- and low-altitude surveillance

satellite-to-satellite weapon

intelligence, surveillance, and reconnaissance (ISR)

reconnaissance and surveillance assets

reconnaissance and surveillance missions

reconnaissance, surveillance, and target acquisition (RSTA)

special surveillance and reconnaissance

surveillance and reconnaissance

intelligence, surveillance, target acquisition, and reconnaissance (ISTAR)

reconnaissance and surveillance line

reconnaissance and surveillance platoon

aerial surveillance and reconnaissance plan

intelligence, surveillance and reconnaissance - unmanned ground sensor

satellite surveillance

surveillance satellite

satellite surveillance (system)

surveillance, under surveillance

Space System for Tracking Ships and Aircraft in Distress – Search and Rescue Satellite (COSPAS-SARSAT)

reconnaissance satellite

earth reconnaissance satellite

satellite reconnaissance

electronic reconnaissance satellite

command, control, computers, communication, intelligence, surveillance, reconnaissance (C4ISR)

observation and fields of fire, avenues of approach, key and decisive terrain,obstacles, and cover and concealment (OAKOC)

counter reconnaissance / counter-reconnaissance

celestial and satellite navigation systems

Charter on the rights and obligations of States relating to global navigation satellite system (GNSS) services

Guidelines for the Introduction and Operational Use of Global Navigation Satellite System

chemical, biological, radiological and nuclear surveillance

high- and low-altitude surveillance

joint surveillance and targeting attack radar system (JSTARS)

surveillance and attack system