Below are the vessels and locations where US Coastguard Members were killed by members of the armed and naval forces of Nazi Germany.
USCGC Hamilton [W-34]
January 29, 1942
Sank off coast of Iceland after being struck by an enemy torpedo.
USS Muskegat [W-48]
September 9, 1942
A weather patrol steamship that disappeared with all hands in the North Atlantic and is believed to have been torpedoed and sank by the enemy submarine U-755.
SS Caribou
October 14, 1942
A civilian passenger ferry attacked and sunk by enemy submarine U-69 while traversing the Cabot Strait south of Newfoundland as part of a convoy. The Coast Guardsmen on board were part of a security and signalling detachment assigned to keep communications with the convoy and protect the ferry.
USS Joseph Dickman
November 8, 1942
As part of the Western Naval Task Force, the Joseph T. Dickman and Charles Carroll took part in the first amphibious invasion ever launched across an entire ocean, delivering forces to North Africa in an effort to seize the Port of Casablanca. While landing troops Coast Guardsmen from each ship were killed by enemy fire as they operated troop transports near the beachhead.
USCGC Escanaba
June 13, 1943
Escorting her last convoy from Narsarssuak to St. Johns, Newfoundland the Escanaba struck a floating enemy mine and sank with the loss of all but two men.
LCI-319
September 9, 1943
Strafed by a German aircraft while operating as a salvage and recovery ship on the beach at Salerno, Italy during the Allied invasion.
USS Leopold
March 9, 1944
While escorting a convoy through the mid-Atlantic the Leopold was struck by a torpedo fired from enemy submarine U-255. The ship was badly damaged and abandoned.
USS Menges
May 3, 1944
While escorting a convoy off coast of the coast of Algiers the Menges was hit by a torpedo fired from enemy submarine U-371. The ship remained afloat and was later returned to active service.
D-Day
June 6, 1944
Several member of the coastguard were killed during the Allied invasion of Normandy.
LST-327
August 27, 1944
While operating in a convoy of landing craft transiting the English Channel LST-372 was severely damaged by a torpedo fired from enemy submarine U-92.
Source
https://www.cgenlistedmemorial.org/combat-deaths/