Opfor Pins and Buttons

the National Training Center in 1980, the OPFOR consisted of a detachment of infantry from the 7th Infantry Division US Army based in Fort Ord, California, and the 1st Bn, 73rd Armor. Once the US Army turned to regimental units in 1985.The OPFOR soldiers wore Soviet-style armor uniforms including black berets and Soviet-style insignias, and used M551 Sheridan tanks visually modified to resemble BMP-1 vehicles and T-72 tanks.

Before CG was a thing...

The 31st Infantry Regiment ("Polar Bears") of the United States Army was formed on 13 August 1916, and was part of USAFFE's Philippine Division during World War II. The unit is rare in that it was formed and has spent most of its life on non-American soil. Fort Irwin CA, OPFOR

The 509th Infantry Regiment is an airborne infantry regiment of the United States Army. Previously titled the 509th Parachute Infantry Regiment (509th PIR) was the first parachute infantry unit of the U.S. Army to make a combat jump during World War II. Currently its 1st and 3rd battalions are active. The 1st Battalion serves as the Opposing Force (OPFOR) at the Army's Joint Readiness Training Center at Fort Polk, Louisiana. The 3rd Battalion is assigned to the 4th Brigade Combat Team (Airborne), 25th Infantry Division, at Fort Richardson, Alaska.

The 7th Infantry Division is an active duty infantry division of the United States Army based at Joint Base Lewis-McChord charged with sustaining the combat readiness of two Stryker brigade combat teams, a combat aviation brigade, a division artillery headquarters, and a national guard Stryker brigade combat team

it is best known for its participation in the Pacific Ocean theater of World War II where it took heavy casualties engaging the Imperial Japanese Army in the Aleutian Islands, Leyte, and Okinawa. Following the Japanese surrender in 1945, the division was stationed in Japan and Korea, and with the outbreak of the Korean War in 1950 was one of the first units in action. It took part in the Inchon Landings and the advance north until Chinese forces counter-attacked and almost overwhelmed the scattered division. The 7th later went on to fight in the Battle of Pork Chop Hill and the Battle of Old Baldy.

Before CG was a thing...