
1) National Security Agency
Found on
https://www.crosswordclues.com/clue/criticomm

CRITICOM(M) is an abbreviation for `Critical Intelligence Communications [System]` q.v. National Security Agency (NSA) former flash-intelligence alert and warning system. N.B. The official intelligence-community (IC) abbreviation uses two Ms. The Critical Intelligence Communications network, or CRITICOMM, is designed to flash to the American Pre.....
Found on
http://en.wikipedia.org/wiki/Criticomm
No exact match found.