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309TH MILITARY INTELLIGENCE BATTALION
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Distinctive Unit Insignia


Description/Blazon
A gold color metal and enamel device 1 5/32 inches (2.94 cm) in height overall consisting of a shield blazoned as follows: Argent, on a pale emitting in saltire four lightning flashes Azure (Teal Blue) a key bit to dexter in base, the bow a bear's head, Or. Attached above the shield is a Gold triparted scroll inscribed "SENTINELS OF SECURITY" in Black letters.

Symbolism
Teal blue and silver refer to the colors formerly used for the U.S. Army Security Agency. The key symbolizes the unit's mission which is providing security. The golden bear's head on the key represents California where the unit activated. The lightning flashes, symbolizing electricity, relate to the importance of electronic communications as part of the unit's functions.

Background
The distinctive unit insignia was originally approved for the 309th Army Security Agency Battalion, Army Reserve on 12 February 1959. It was assigned for use by the 325th U.S. Army Security Agency Battalion on 5 August 1959. It was reassigned for the 309th U.S. Army Security Agency Battalion on 2 August 1965. The insignia was redesignated for the 309th Military Intelligence Battalion on 2 May 1990.




Coat of Arms


Description/Blazon

Shield

Argent, on a pale emitting in saltire four lightning flashes Azure (Teal Blue) a key ward to dexter in base, the bow a bear's head, Or.

Crest

None.

Motto

SENTINELS OF SECURITY.

Symbolism

Shield

Teal blue and white were the colors used for the U.S. Army Security Agency, the original designation of the organization. The key symbolizes the unit's mission-the guarding of security-and the golden bear's head on the key represents the State of California, where the unit was activated. The lightning flashes, symbolic of electricity, relate to the importance of electronic communications as part of the unit's functions.

Crest

None.

Background
The coat of arms was originally approved for the 309th Army Security Agency Battalion, Army Reserve, on 12 February 1959. It was assigned for use by the 325th U.S. Army Security Agency Battalion, Army Reserve on 5 August 1959. It was reassigned for use by the 309th U.S. Army Security Agency Battalion on 2 August 1965. It was cancelled on 6 June 1975. The coat of arms was reinstated and redesignated for the 309th Military Intelligence Battalion on 10 October 1995.





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