Destination Tokyo (1943)
The Gato class boats were 311 feet long and 27 feet wide (beam), the Catalina flying boat is only 63 feet long with a wingspan is 104 feet.
Crew or equipment visible
Errors in geography
There is no way the Copperfin could have made five war patrols in the first four months of the war (7 Dec 1941 to 1 Apr 1942). This is further supported when Wolf who has been on Copperfin on previous patrols is on shore leave after returning from a three month patrol. This would indicate Copperfin did her first four patrols in Dec 1941.