| Built in the early 1930s, the 165-foot “B”-Class cutters were 
			often referred to as the Thetis-Class. The Thetis-class cutters 
			proved good sea boats becoming the backbone of the Coast Guard’s 
			coastal patrol and convoy force during World War II. Among these 
			cutters was the Argo, which escorted Nazi Germany’s last surrendered 
			U-boats into captivity and the Thetis, one of 11 Coast Guard cutters 
			credited with sinking a U-boat. However, the most honored of these 
			cutters was Icarus, which sank U-352 and captured its crew at the 
			beginning of World War II. 
			 
		
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			 U.S. Coast Guard Cutter Icarus 1942 configuration profile (U.S. Coast Guard courtesy 
			image)
 |  Icarus and its sister cutters were designed for Prohibition 
			enforcement, specifically tracking down rum running ships outside 
			U.S. territorial waters. These cutters required excellent 
			sea-keeping qualities, long-term accommodations for crew, and 
			greater fuel capacity. Icarus was built by Bath Iron Works in Maine 
			and commissioned on April 1, 1932. The cutter reported for duty at 
			Stapleton, New York, on Staten Island, and served as part of the New 
			York Division’s Special Patrol Force, which conducted law 
			enforcement patrols in support of Prohibition regulations. After 
			passage of the 21st Amendment repealing Prohibition, Icarus 
			continued sailing out of Stapleton on law enforcement and search and 
			rescue patrols.
 After war erupted in Europe in 1939, the 
			Coast Guard assigned Icarus to Neutrality Patrols protecting 
			merchant vessels from attacks by European combatants. With the 1941 
			U.S. entry into World War II, Icarus joined its sister cutters in 
			escorting coastal convoys and anti-submarine patrols in American 
			waters. In the morning of Friday, May 8, 1942, Icarus departed 
			Staten Island for Key West, Florida. On Saturday at about 4:20 p.m., 
			while off the coast of North Carolina, Icarus’s sonar operator 
			picked up a “mushy” contact 2,000 yards off its port bow. The 
			cutter’s crew went to general quarters and assumed battle stations.
 Ten minutes after the first sonar contact, an explosion believed 
			to be a torpedo rocked the cutter about 200 yards off the port side. 
			Reversing course, Icarus sped toward the contact, which was heading 
			toward the spot where the explosion had occurred. The underwater 
			contact sharpened and, for the first time, propeller sounds were 
			heard by the sonarman. The contact was lost at 180 yards but, after 
			a calculated interval, Icarus dropped five depth charges in a 
			diamond shape with one charge in the center. The sonar operator next 
			determined that the contact was slowly moving west, so the cutter 
			altered course to intercept it. Two more charges were dropped in a 
			“V” pattern at a point leading the contact’s underwater track and, 
			as roiling water from the explosions subsided, large bubbles were 
			observed on the surface. Icarus reversed course again and dropped a 
			single charge on the spot where the air bubbles had surfaced. Six 
			minutes later, the cutter dropped a second charge in the same 
			location.
 At 10 minutes past 5:00 p.m., shortly after the 
			last charge had been dropped, a U-boat broke the surface 1,000 yards 
			from Icarus. The heavily armed sub emerged bow first and down by the 
			stern. The cutter’s crew was ready, opening fire with all machine 
			guns that could bear on the sub. Meanwhile, the U-boat’s crew began 
			abandoning ship. Icarus’s commanding officer, Lt. Maurice Jester, 
			altered course to ram and the cutter’s 3-inch main battery was 
			brought to bear on the submarine. The first 3-inch round fell short 
			ricocheting off the water and through the conning tower. The second 
			round overshot the sub, but the next 12 rounds hit the U-boat or 
			came close, with seven of them hitting home. Minutes later, the 
			damaged U-boat began to subside into the sea.
 
			 
		
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			 2017 wreck site of German U-352 submarine sunk by U.S. Coast Guard 
			Cutter Icarus during World War II in 1942. (Image courtesy of 
			National Oceanic and Atmospheric Administration)
 |  As the submarine sank, Icarus ceased firing, but the cutter 
			circled the spot where the U-boat had disappeared. Icarus 
			re-established sonar contact with the submerged sub and the cutter’s 
			sonarman heard propeller noises again. Taking no chances, Jester 
			ordered one last depth charge dropped over the U-boat, which brought 
			a large air bubble to the surface. No further noises were heard from 
			sub; the vessel had finally been vanquished. Meanwhile, 35 Germans 
			were struggling on the surface to avoid the cutter’s path and its 
			deadly depth charges. Expecting to be machine-gunned in the water, 
			many yelled, “Don’t shoot us!”
 At 5:50 p.m., the Icarus crew 
			began rescue operations and retrieved Germans from the water. Except 
			for the wounded survivors, the prisoners were placed under guard in 
			the cutter’s forward crew compartment. The U-boat’s commanding 
			officer, Kapitanleutnant (Captain lieutenant) Helmut Rathke, was among the survivors. At 
			this point, it was learned that the submarine was U-352, carrying a 
			complement of 48 men. Seven of the crew went down with the U-boat 
			while others died in the water after abandoning ship. By 6:05, 33 
			survivors had been rescued and the cutter proceeded to Charleston 
			Navy Yard as ordered.
 
 The German prisoners exhibited good 
			discipline and were surprised by the fine treatment they received on 
			board Icarus. Several of the U-boat’s crew spoke English and talked 
			freely on personal matters, but disclosed no military information. 
			Three of Icarus’s crew also spoke German and conversed with the 
			prisoners. The prisoners wished to know how much money the Coast 
			Guard crew would receive for sinking a submarine and if crewmembers 
			received promotions for doing so. The Germans related that they 
			received medals and bonuses for sinking ships, the amount depending 
			on the size and tonnage of their victims. Four of the prisoners also 
			mentioned they had relatives living in the U.S.
 
			 
		
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			 U.S. Coast Guard Cutter Icarus disembarking U-352 crew members at 
			the Charleston Navy Yard in Charleston, South Carolina in 1942. (U.S. Coast Guard courtesy photo)
 |  On Sunday morning, Icarus arrived at the Navy Yard. 
					There, the cutter delivered 32 prisoners and one prisoner 
					who died of his wounds en route to Charleston. To keep the 
					enemy in doubt about the U-boat’s fate, naval authorities 
					did not disclose the sinking of U-352 until almost a year 
					later, on May 1, 1943. For the remainder of the war, Icarus 
					continued its convoy escort work, search and rescue duties 
					and anti-submarine patrols. In the fall of 1946, the ship 
					was placed in reserve status and stored at Staten Island. 
					The Coast Guard decommissioned Icarus in 1948 and sold it to 
					the Southeastern Terminal and Steamship Company.
 Icarus was the second American warship to sink a U-boat and 
					the first to capture German combatants. For his command of 
					Icarus in the attack and sinking of U-352, Jester received 
					one of only six Navy Cross Medals awarded to Coast Guardsmen 
					during the war. Icarus was one of numerous combat cutters 
					that served the heroic Coast Guardsmen of the long blue line 
					during World War II.
 By William H. Thiesen, Atlantic Area Historian, USCGProvided 
					through 
			Coast 
			Guard
 Copyright 2018
 
					
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