Bandai Torpedo Shoot (1980, LED, 9 Volt, Model# 8004)
Shoot your torpedos at the ship (from a plane), and avoid getting hit! LED based game, you are actually looking at a reflection of the LED display in a little mirror. I've found three different versions of this game: Mr Subattack (sold in Japan), Torpedo Shoot (sold in the US), and U-Boot Jagd (sold in Germany). Look at Space Chaser in the Guts section for the inards of a similar game design.
Manual in PDF format available.