U.S. Army’s Opposing Forces (OPFOR) Surrogate Vehicles (OSV) with 2nd Squadron, 11th Armored Cavalry Regiment, staged an assault on the defenses of 3rd Armored Brigade Combat Team, 4th Infantry Division from Fort Carson, Colorado during rotation 16-09 at the National Training Center. The purpose of this engagement was to challenge the Iron Brigade’s ability to conduct a deliberate defense.

The OSV is an M113 armored personnel carrier with exterior modified to give it the appearance of a Russian Boyevaya Mashina Pekhoty BMP-2 Infantry Fighting Vehicle.