321st Cavalry Regiment (United States)
| 321st Cavalry Regiment | |
|---|---|
Coat of Arms of the 321st Cavalry Regiment | |
| Active | 1922–1942 |
| Country | United States |
| Branch | United States Army |
| Type | Cavalry |
| Part of | 66th Cavalry Division (1921–1942) |
| Garrison/HQ | St. Louis (1936–1941) |
| Motto(s) | "Tiens ta Foi" (Hold thy Faith) |
| Insignia | |
| Distinctive Unit Insignia | |
| U.S. Cavalry Regiments | ||||
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The 321st Cavalry Regiment was a cavalry unit of the United States Army during the interwar period. The unit was activated as a Missouri and Arkansas Organized Reserve unit during the interwar period. It was converted into a signal aircraft warning regiment after the United States entered World War II.