her French base empty-handed. 3rd and 4th patrols Her third foray was more productive and included the sinking of the British ship Fort Battle River on 6 March 1943. She also damaged another British vessel in the same engagement, Fort Paskoyac. Both of these ships were attacked southwest of Portugal. The U-boat returned to St. Nazaire on 27 March 1943. Her fourth sortie included transiting the heavily defended Strait of Gibraltar. She arrived in La Spezia in Italy on 13 May 1943, having left St. Nazaire on 26 April. 5th and 6th patrols U-410 left La Spezia on 7 August 1943 and attacked the convoy UGS-14 off the Algerian coast. Firing three torpedoes in a 'spread', she hit and sank two American ships, John Bell and Richard Henderson on 26 August 1943. She then sailed to Toulon in France, arriving on 30 August. The U-boat tried to disrupt the landings at Anzio, sinking a British light cruiser and an American LST (see below). Combat history Commanders 23 February 1942 – 4 February 1943 Kapitänleutnant Kurt Sturm. 5 February 1943 – 11 March 1944 Oberleutnant zur See Horst-Arno Fenski Flotillas 23 February – 31 August 1942 - 5th U-boat Flotilla 1 September 1942 – 31 May 1943 - 7th U-boat Flotilla 1 June 1943 – 11 March 1944 - 29th U-boat Flotilla Wolfpacks U-410 was part of the following "wolfpacks": Rescue of survivors from MV Rhakotis On 2 January 1943, U-410 rescued 80 survivors from the German blockade-runner after she was sunk by . The survivors were returned to St. Nazaire the next day. Among the survivors were two Englishmen who received a special guard. Sinking of HMS Penelope On 18 February 1944, (Capt. G.D. Belben, DSO, DSC, AM, RN), was leaving Naples to return to the Anzio area when she was torpedoed at by U-410. A torpedo struck the British cruiser in the aft engine room; sixteen minutes later, U-410 fired another torpedo that hit Penelope in her boiler room, causing her immediate sinking. 415 of the crew, including the captain, went down with the ship. There were 206 survivors. The cruiser was making when she was hit, the fastest ship ever successfully attacked by a submarine. Sinking of USS LST-348 On 20 February 1944 LST-348 (Landing Ship, Tank) was returning from Sicily, supporting Operation Shingle and roughly 40 miles South of Naples when she was spotted by U-410, who