Find the word definition

Wikipedia
Thundercade

Thundercade, also known as Twin Formation and ", is a shoot 'em up video game developed by SETA and originally released for video arcades in 1987. A port for the Nintendo Entertainment System (NES) was released in 1989.

The NES version's manual describes a story, casting players as a part of Operation Thundercade, a special forces operation battling against the nuclear threat of Atomic Age Terrorist Organization of Miracali (AATOM).