The U.S. Army is using the M16A2, but in 1985 they still used the older M16A1.
The U.S. Army is shown using the AH-64 Apache in 1982 and 1985, even though it only entered service in 1986.
The Soviets are shown using the PP-19 Bizon in 1985, even though it was created in the 1990s after the Soviet Union ended.
The Heckler & Koch G36E is in the game, even though it was invented in the 1990s and the game is set in the 1980s.