55th Air Defense Artillery Regiment
| 55th Air Defense Artillery Regiment | |
|---|---|
Coat of arms | |
| Active | 1917–1989 2025-present |
| Country | USA |
| Branch | Army |
| Type | Air defense artillery |
| Motto | VIGILANTIA (Vigilance) |
| Branch color | Scarlet |
| Mascot | Oozlefinch |
| Decorations | Presidential Unit Citation |
| Insignia | |
| Distinctive unit insignia | |
The 55th Air Defense Artillery Regiment is an Air Defense Artillery regiment of the United States Army that was first constituted in 1917 in the Regular Army. It was previously the 55th Artillery, U.S. Army Coast Artillery Corps. (CAC)