BMP-1 [SEP] service entry
and 1960. There was a question as to whether the BMP should be tracked or wheeled, so a number of experimental configurations were explored, including hybrid wheeled/tracked designs.
The tracked Ob'yekt 764 (codename Object 764) was chosen because its front-engine design provided a convenient and fast way of mounting and dismounting through two rear doors. The original prototype was built in 1964, followed by the improved Ob'yekt 765 in 1965, which was accepted by the Army in 1966, under a designation BMP-1. The 120th
units in 1985, the OPFOR was designated the 177th Armored Brigade (SEP). The OPFOR soldiers wore Soviet-style armor uniforms including black berets and Soviet-style insignias, and used M551 Sheridans visually modified to resemble BMP-1 vehicles and T-72 tanks. Units from the U.S. Marine Corps (USMC) and the U.S. Army Reserve and Army National Guard would support infantry roles for the OPFOR.
Air support and air combat tactics came from USAF tactical fighter wings operating from nearby Nellis AFB and George AFB, USN attack and strike