51st SFS Defenders, 51st CS Airmen Deter OPFOR in Simulated Ground Attack
A U.S. Air Force Defender from the 51st Security Forces Squadron role plays as opposing forces (OPFOR) during a simulated ground attack at Osan AB, Republic of Korea, Aug. 1, 2023. As part of a routine training event, OPFOR units replicate the tactics, strategies, and capabilities of potential adversaries or opposing military forces. They engage in mock combat scenarios to challenge and test the skills, readiness, and effectiveness of friendly forces. (U.S. Air Force photo by Senior Airman Thomas Sjoberg)