The US release of Steel Gunner 2 likely retains the core gameplay of its Japanese counterpart, possibly incorporating regional adjustments.  The precise release date isn't definitively established, but is likely from the 1980s or 1990s.  The game would have likely involved piloting a vehicle or aircraft in a shooting or combat scenario, and would have seen similar action and gameplay as the Japanese counterpart.  Specific information on the developers and publishers of this arcade game is not readily available.

Steel Gunner 2 (US)

Steel Gunner (Japan)