Imperial Japanese Navy aircraft carriers Kaga (foreground) and Zuikaku (background) head towards Hawaii through heavy seas in November or December 1941 to attack Pearl Harbor.
Kaga steams through heavy north Pacific seas, enroute to attack Pearl Harbor, Hawaii, circa early December 1941. Carrier Zuikaku is at right. Frame from a motion picture film taken from the carrier Akagi. The original film was found on Kiska Island after U.S. recapture in 1943. U.S. Naval History and Heritage Command Photograph.