1985 FORWARD OBSERVER
The Forward Observer Unit was first released boxed in U.S. toy stores in 1985. It was also sold in 1986 and was discontinued in 1987.
It was available in a mail-order set from 1988-90 as well as 1992-93 with other battlefield accessories (including the Cobra Rifle Range, Mortar Defense Unit, Machine Gun Defense Unit, Ammo Dump Unit, and the Missile Defense Unit).
See picture closely!