31st Air Defense Artillery Brigade (United States)
| 31st Air Defense Artillery Brigade | |
|---|---|
Shoulder sleeve insignia | |
| Active | 1918–1946, 1960s–1979, 1988–present |
| Country | United States |
| Branch | United States Army |
| Type | Air defense artillery |
| Size | Brigade |
| Part of | 32nd Army Air & Missile Defense Command |
| Garrison/HQ | Fort Sill |
| Motto(s) | "Ready and Vigilant" |
| Commanders | |
| Current commander | COL Lourdes Costas |
| Insignia | |
| Distinctive unit insignia | |
The 31st Air Defense Artillery Brigade is an air defense artillery brigade of the United States Army based at Fort Sill, Oklahoma.