surveillance (intelligence)

surveillance, high- and low-altitude surveillance

surveillance, under surveillance

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

intelligence, surveillance, and reconnaissance (ISR)

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

intelligence, surveillance and reconnaissance - unmanned ground sensor

Secret Intelligence Service (SIS) / Military Intelligence, Section 6 (MI6)

tactical intelligence / combat intelligence

undeclared member of the intelligence or counter-intelligence agencies

Defence intelligence of Ukraine (DIU) / Main Directorate of Intelligence of the MoD of Ukraine

air surveillance

air surveillance means

airborne surveillance device

air-ground surveillance capability (AGS)

Alliance Ground Surveillance (AGS)

Alliance Ground Surveillance Steering Committee

all-round surveillance of terrain

anti-surveillance measures

battlefield surveillance

battlefield surveillance radar (BFSR)

broad area maritime surveillance (BAMS)

chemical, biological, radiological and nuclear surveillance

combat surveillance

communications surveillance means

counter-surveillance screen

disease surveillance system

ground surveillance device

ground surveillance means

ground surveillance section

ground-based battlefield surveillance radar station

high- and low-altitude surveillance

joint surveillance and targeting attack radar system (JSTARS)