German World War II submarine
German submarine "U-584" was a Type VIIC U-boat built for Nazi Germany's "Kriegsmarine" for service during World War II.
She was laid down on 1 October 1940 by Blohm &amp; Voss, Hamburg as yard number 560, launched on 26 June 1941 and commissioned on 21 August 1941 under "Kapitänleunant" Joachim Deecke.
Design.
German Type VIIC submarines were preceded by the shorter Type VIIB submarines. "U-584" had a displacement of when at the surface and while submerged. She had a total length of , a pressure hull length of , a beam of , a height of , and a draught of . The submarine was powered by two Germaniawerft F46 four-stroke, six-cylinder supercharged diesel engines producing a total of for use while surfaced, two Brown, Boveri &amp; Cie GG UB 720/8 double-acting electric motors producing a total of for use while submerged. She had two shafts and two propellers. The boat was capable of operating at depths of up to .
The submarine had a maximum surface speed of and a maximum submerged speed of . When submerged, the boat could operate for at ; when surfaced, she could travel at . "U-584" was fitted with five torpedo tubes (four fitted at the bow and one at the stern), fourteen torpedoes, one SK C/35 naval gun, 220 rounds, and a C/30 anti-aircraft gun. The boat had a complement of between forty-four and sixty.
Service history.
The boat's career began with training at 5th U-boat Flotilla on 21 August 1941, followed by active service on 1 December 1941 as part of the 1st Flotilla for the remainder of her service.
In 10 patrols she sank three merchant ships, for a total of  gross register tons (GRT) and one warship of 206 tons.
US Saboteur Landing.
On 25 May 1942, the boat departed Brest, France for a special mission as part of Operation Pastorius. On 18 June, she landed a 4-man saboteur team just south of Jacksonville, Florida. This was one of two teams landed within a week of each other on the US east coast; the other team came aboard . The boat then returned safely to Brest on 22 July.
Wolfpacks.
"U-584" took part in 16 wolfpacks, namely:
Fate.
"U-584" was sunk on 31 October 1943 in the North Atlantic in position , by depth charges from US Avenger aircraft operating from escort carrier . All hands were lost.
References.
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