German submarine shelled Mona Island according to the U.S. Joint Intelligence Committee. Daily summary dated 4 March 1942

An item reported that a enemy submarine shelled Mona Island, situated 45 miles west of Puerto Rico.(1)

Note

1. This attack seemed to be a mistake while the crew of the German submarine misidentified a camp of the Civilian Conservation Corps as a military facility.

Source

Map Room Papers (Roosevelt Administration), 1942 - 1945. U.S. Joint Intelligence Committee. Daily summary No. 84 dated 4 March 1942.