Come visit us at The Museum of Military Memorabilia. Our Naples Municipal Airport location displays a just a fraction of the artifacts we have available. Here are some of our current showcases which highlight WWII Aviation.

2012 marked the 70th anniversary of the founding of the Naples Airport as a WWII Army Air Forces Training Base.

German submarine U-352

U-352 left St. Nazaire on 7 April 1942 and sailed across the Atlantic to the coast of the north-eastern United States. There on 9 May 1942, she was sunk by depth charges from the U.S. Coast Guard cutter USCGC Icarus, south of Morehead City, North Carolina, in position 34°13.67′N 76°33.89′WCoordinates: 34°13.67′N 76°33.89′W.Fifteen of the crew were lost, but 33 survived, and spent the remainder of the war as prisoners.

Watercolor of U-352 Kapitänleutnant Rathke painted this watercolor of U-352 while held as a POW.
Name: U-352
Ordered: 9 October 1939
Builder: Flensburger Schiffbau-Gesellschaft,Flensburg
Yard number: 471
Laid down: 11 March 1940
Launched: 7 May 1941
Commissioned: 28 August 1941
Fate: Sunk, 9 May 1942
General characteristics
Type: Type VIIC submarine
Displacement: 769 tonnes (757 long tons) surfaced 871 t (857 long tons) submerged
Length: 67.1 m (220 ft 2 in) o/a 50.5 m (165 ft 8 in) pressure hull
Beam: 6.2 m (20 ft 4 in) o/a 4.7 m (15 ft 5 in) pressure hull
Draft: 4.74 m (15 ft 7 in)
Propulsion: 2 × supercharged Germaniawerft 6-cylinder 4-stroke F46 diesel engines, totalling 2,800–3,200 bhp (2,100–2,400 kW). Max rpm: 470-490 2 × electric motors, totalling 750 shp (560 kW) and max rpm: 296.
Speed: 17.7 knots (32.8 km/h; 20.4 mph) surfaced 7.6 knots (14.1 km/h; 8.7 mph) submerged
Range: 15,170 km (8,190 nmi) at 10 knots (19 km/h; 12 mph) surfaced 150 km (81 nmi) at 4 knots (7.4 km/h; 4.6 mph) submerged
Test depth: 230 m (750 ft) Crush depth: 250–295 m (820–968 ft)
Complement: 44–52 officers and ratings
Armament: 5 × 53.3 cm (21 in) torpedo tubes (four bow, one stern) 14 × G7e torpedoes or 26 TMA mines 1 × 8.8 cm (3.46 in) deck gun (220 rounds) Various AA guns
Service record
Part of: 3rd U-boat Flotilla (28 August 1941–9 May 1942)
Commanders: Kptlt. Hellmut Rathke (28 August 1941–9 May 1942)
Operations: 1st patrol: 15 January–26 February 1942 2nd patrol: 7 April–9 May 1942
Victories: None

German submarine U-352 was a Type VIIC U-boat of Nazi Germany’s Kriegsmarine during World War II. The submarine was laid down on 11 March 1940 at the Flensburger Schiffbau-Gesellschaft yard at Flensburg, launched on 7 May 1941, and commissioned on 28 August 1941 under the command of Kapitänleutnant Hellmut Rathke. She was part of the 3rd U-boat Flotilla, and was ready for front-line service by 1 January 1942.




Service history


The U-352’s story starts in May 1941 when the German military built the first of the Type VIIC U-boats with more fuel capacity and torpedoes than its predecessor. Commanded by Capt. Kellmut Rathke, the U-352’s 45 man crew prepared in October 1941 to set sail for the waters of the Atlantic. After several months of drills, testing, and exercises, the U-352 was deemed action ready and set sail. Almost immediately the crew spotted a convoy and prepared to take action when it was realized they had been spotted. The U-352 barely survived the barrage of depth charges and continued on towards American waters. Less than 5 months later, the U-352 would be sitting on the bottom of the Atlantic


May 9th, 1942 marked the last sunrise the ship would witness; the boat had moved into the Cape Lookout area looking for convoys. That morning a silhouette on the horizon marked the sight the crew had been searching for- a merchant ship. Capt. Rathke prepared his ship to attack and fired a single torpedo and then was shook with dismay when he realized the ship was not a merchant vessel but was the Coast Guard Cutter Icarus. The torpedo missed its target and the Icarus began an attack of depth charges. The U-352 was quickly crippled in the first wave of charges and the order to abandon ship was given. Many of the crew were killed in the initial attack and the sub’s engines were disabled, leaving Rathke no choice but to order the remainder of his crew to surface the boat and abandon ship. Five minutes later, after bursting to the surface, the U-352 found her final resting place below about 26 miles from the inlet. Several members of the crew were picked up by the Coast Guard: 4 wounded men were treated and 30 other crew members were brought aboard the Icarus.


The U-352 remained lost to the Atlantic until 1975. Claude Hull, a history fanatic, had infected several friends, including George Purifoy, with the desire to locate the U-352. Claude, George and numerous other divers spent countless days running grid patterns with inaccurate navigation aids hoping to get lucky. During their search for the U-352, they discovered the USS Schurz; although the divers were unable to return to the location of the site for over 10 years. With the development of the Loran-C navigation aids, George Purifoy, Rod Gross and Dale McClough set out for another day of hunting with a rough set of coordinates given to them by Claude.


Dive site

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 Relics from the wreck site                                                                            


Some Relics from the wreck site



U-352 lies in about 115 feet (35 m) of water, and sits at a 45-degree list to starboard. The wreck scatter is within a 100-m radius of location above on a sand bottom.  This wreck has become an artificial reef that is heavily populated with Hemanthias vivanus. It is a popular scuba diving spot for advanced divers. A replica of the wreck is on display at the North Carolina Aquarium at Pine Knoll Shores.

Heinz Richter

Heinz Karl Richter, a Maschinengefreiter (equivalent of a Fireman 3rd Class) who survived the sinking, was found living in Canada and was interviewed for Discovery Channel’s special coverage of U-352. He said that Captain Rathke was obsessed with receiving a Knight’s Cross of the Iron Cross medal for sinking 100,000 tonnes-worth of enemy ships. Richter said that the captain’s obsession eventually led to recklessness, ultimately resulting in the boat’s sinking. Richter also said he was the last man out of the U-boat before it sank; those still on board were already dead, or perished in the boat as it sank.


POW survivors from U-352 eating lunch in June 1942

According to documents from the Naval Department, the following are survivors of the sinking:

Name Rank U.S. Navy equivalent
Rathke, Hellmut Kapitänleutnant Lieutenant
Bernard, Oskar Leutnant z. S. (Sonderführer) Ensign
Kammerer, Ernst Fähnrich z. S. Midshipman
Daehn, Arthur Bootsmaat Coxswain
Neitsch, Hans Bootsmaat Coxswain
Richter, Helmut H. Bootsmaat Coxswain
Kruger, Kurt Funkmaat Radioman 3 cl.
Sorg, Ludwig Funkmaat Radioman 3 cl.
Bollmann, Heinrich Obermaschinist Machinist
Grandke, Walter Obermaschinist Machinist
Brand, August Michael Maschinenmaat Fireman 1 cl.
Reussel, Gerd Maschinenmaat Fireman 1 cl.
Schwarzenberger, Heinz Maschinenmaat Fireman 1 cl.
Thönnissen, Kurt H. Maschinenmaat Fireman 1 cl.
Wesche, Martin Wilhelm Maschinenmaat Fireman 1 cl.
Wessoly, Lothar Maschinenmaat Fireman 1 cl.
Rusch, Gerhard Maschinenobergefreiter Fireman 2 cl.
Stengel, Otto Maschinenobergefreiter Fireman 2 cl.
Minzker, Johann Maschinengefreiter Fireman 3 cl.
Richter, Heinz Karl Maschinengefreiter Fireman 3 cl.
Twirdy, Heinrich Maschinengefreiter Fireman 3 cl.
Heinze, Hans Matrosengefreiter Seaman 2 cl.
Henschke, Otto Matrosengefreiter Seaman 2 cl.
Hering, Gerhard Matrosengefreiter Seaman 2 cl.
Herrschaft, Edgar Matrosengefreiter Seaman 2 cl.
Kominek, Franz Matrosengefreiter Seaman 2 cl.
Mattiz, Hans Funkgefreiter Seaman 2 cl.
Pickel, Erhard Matrosengefreiter Seaman 2 cl.
Richter, Gerhard Maschinengefreiter Seaman 2 cl.
Thiele, Rudolf Mechanikergefreiter Seaman 2 cl.
Link, Wilhelm Matrose Apprentice Seaman
Staron, Edmund Matrose Apprentice Seaman
TOTAL: 33 [6]


  1. “The Type VIIC U-boat Retrieved 1 June 2010.
  2. “War Patrols by German U-boat Retrieved 1 June 2010.
  3.  “Patrol of U-boat U-352 from 20 Jan 1942 to 26 Feb 1942″ Retrieved 1 June 2010.
  4.  “Patrol of U-boat U-352 from 7 Apr 1942 to 9 May 1942″ Retrieved 1 June 2010.

  Hoyt, JC (2009). “2008 Battle of the Atlantic Survey Methodology”In: Pollock NW, ed. Diving for Science 2009. Proceedings of the American Academy of Underwater Sciences 28th Symposium. Dauphin Island, AL: AAUS; 2009. Retrieved 2013-03-08.

  1.  “U-boat Archive : FINAL REPORT OF INTERROGATION OF SURVIVORS FROM U-352 SUNK BY U.S.C.G. ICARUS ON MAY 9, 1942″ Retrieved 7 October 2007.

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