This is an original 1986 G.I. Joe Triple T Tank (Tactical Transport Tank) from the A Real American Hero line by Hasbro.
Released in 1986, the Triple T is one of the most recognizable armored vehicles in the G.I. Joe toy line. Designed for heavy battlefield support, this compact tank features dual cannons, missile launchers, rugged tracks, and room for multiple G.I. Joe figures.

Condition: Missing rockets, otherwise very good!