Battle of Christmas Island
The Battle of Christmas Island was a small engagement which began on 31 March 1942, during World War II. Assisted by a mutiny of soldiers of the British Indian Army against their British officers, Imperial Japanese Army troops were able to occupy Christmas Island unopposed. The United States Navy submarine Seawolf severely damaged the Imperial Japanese Navy cruiser Naka during the landings.
Source: Wikipedia — Battle of Christmas Island (CC BY-SA 4.0)