SALEM, Ore. (KTVZ) — The Oregon National Guard's 1249th Engineer Battalion is preparing for a year-long mobilization to support security operations along the United States' southern border.

The soldiers deploying to the southern border are assigned to engineer units that fall under the 18th Airborne Corps.

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The Army Black Hawk involved in the January crash belonged to the 12th Aviation Battalion based at Davison Army Air Field at Fort Belvoir, Virginia. That unit has a classified mission to ensure ...

The Army Black Hawk involved in the January crash belonged to the 12th Aviation Battalion based at Davison Army Air Field at Fort Belvoir, Virginia. That unit has a classified mission to ensure ...

The Army Black Hawk involved in the January crash belonged to the 12th Aviation Battalion based at Davison Army Air Field at Fort Belvoir, Virginia. That unit has a classified mission to ensure ...

The Army Black Hawk involved in the January crash belonged to the 12th Aviation Battalion based at Davison Army Air Field at Fort Belvoir, Virginia. That unit has a classified mission to ensure ...

The Army Black Hawk involved in the January crash belonged to the 12th Aviation Battalion based at Davison Army Air Field at Fort Belvoir, Virginia. That unit has a classified mission to ensure ...