surveillance agency

NATO Communications and Information Agency (NCIA / NCI Agency)

surveillance, high- and low-altitude surveillance

surveillance, under surveillance

advisory agency

aid agency

Allied Tactical Communications Agency (ATCA)

Central Intelligence Agency (CIA)

collection agency

communications agency

Defense Advanced Research Projects Agency (DARPA)

Defense Contract Management Agency

Defense Information Systems Agency (DISA)

Defense Logistics Agency (DLA)

Defense Mapping Agency (DMA)

Defense Security Cooperation Agency (DSCA)

European Defense Agency (EDA)

Federal Emergency Management Agency (FEMA)

intelligence agency

inter-agency cooperation

law-enforcement agency

lead agency

Marine Corps Intelligence Agency (MCIA)

Military Postal Service Agency

Missile Defense Agency (MDA)

National Geospatial-Intelligence Agency (NGA)

National Imagery and Mapping Agency (NIMA)

National Security Agency (NSA)

NATO agency

NATO Battlefield Information Collection and Exploitation System Agency (BICES)

NATO Communication and Information Systems Services Agency (NCSA)

NATO Standardization Agency (NSA)

operational agency