Navy's C.I.A. (3 letters)

{ Answer }

ONI

{ Related Clues }

C.I.A. at sea
Naval C.I.A.
Navy org.
U.S.N. arm
U.S.N. division
1-___ (way to guard)
2 ___ (double- teamed)
Clandestine maritime org.
Naval branch: Abbr.
Naval bureau: Abbr.
Navy branch: Abbr.
Navy Dept. branch
Navy unit: Abbr.
U.S. maritime spy agcy.

{ Tags }

abbr, agcy, arm, branch, bureau, cia, clandestine, dept, division, maritime, naval, navy, navys, oni, org, sea, spy, unit, us, usn, 2

{ Notes }

The answer ONI is uncommon, appearing about once every 525 puzzles.

{ Definition }

ONI as a noun:

1. (Office of Naval Intelligence, ONI) = the military intelligence agency that provides for the intelligence and counterintelligence and investigative and security requirements of the United States Navy