| 678th Air Defense Artillery Brigade | |
|---|---|
 678th Air Defense Artillery Brigade | |
| Active | 2016-present |
| Country |  United States |
| Branch | National Guard |
| Type | Brigade |
| Role | Air defense artillery |
| Part of | 263rd AAMDC, SCARNG |
| Garrison/HQ | Eastover [1] |
| Mottos | For Freedom, We Defend [2] |
| Mascot | Oozlefinch |
| Insignia | |
| Distinctive Unit Insignia |  |
678th Air Defense Artillery Brigade is an Air Defense Artillery Brigade of the South Carolina Army National Guard and the United States Army.
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The 678th ADA Brigade is the newest Air Defense Artillery (ADA) Brigade (BDE) in the Army National Guard. Headquartered in Eastover, South Carolina, the brigade has two subordinate battalions, 1-178th FA (Paladin) and 2-263d ADA (Avenger) located across the state. The 678th ADA BDE is a subordinate unit of the 263d Army Air & Missile Defense Command (AAMDC) which is headquartered in Anderson, South Carolina.
Soldiers assigned to 1st Battalion 178th Field Artillery Regiment, were sent to Washnigton DC in December 2025. Three hundred plus soldiers (many of whom volunteered to join the mission) went to Washington, D.C., in support of the D.C. Safe and Beautiful mission. There, they will assist the Metropolitan Police Department in maintaining public safety for residents, commuters, and visitors throughout the District.
