An opposing force is a military unit tasked with representing an enemy, usually for training purposes in war game scenarios. The related concept of aggressor squadron is used by some air forces.
U.S. OPFOR soldiers playing the role of Iraqi insurgents in Fort Polk, Louisiana.
A UH-1H replicating a Mi-24 at Fort Irwin in 1985
Dutch soldiers of 11 Pantserinfanteriebataljon Garderegiment Grenadiers wearing mohawk-style additions on their helmets to denote opposing force status.
New Zealand Defence Force soldier denoting opposing force status by wearing Desert Disruptive Pattern Material (DPM) in a temperate environment.
Fort Irwin National Training Center is a major training area for the United States military in the Mojave Desert in northern San Bernardino County, California. Fort Irwin is at an average elevation of
Opposing force
…There are three major training centers that utilize home-based OPFOR units for the US Army: The National Training Center (NTC) at Fort Irwin, California—home unit is the 11th Armored Cavalry Regiment (the Blackhorse) The Joint Readiness Training Center (JRTC) at Fort Polk…
An aerial view of Fort Irwin, 2009
NTC Fort Irwin's welcome sign
Soldiers move forward to search a building during training at the National Training Center. Long known for large-scale tank vs. tank battles, NTC has provided extensive training in urban operations since September 2005.
Rock formation painted by units visiting Ft. Irwin