JJD MIJ-102 Mongol Thunder Crash Bomb" Thrower"

Major military efforts were taken by Kublai Khan of the Yuan Dynasty in 1274 and 1281 to conquer Japan after the submission of Korea. Ultimately a failiure, the invasion attempts are of historical importance because they set a limit on Mongol expansion and rank as nation defining events in the history of Japan.
The invasions are referred to in many works of fiction and are the earliest events for which the word “Kamikaze” (Divine Wind) is widely used, originating in reference to the typhoons faced by the Yuan fleets.