Convoy SC 94

Convoy SC 94 was the 94th of the numbered series of World War II Slow Convoys of merchant ships from Sydney, Cape Breton Island, Nova Scotia, to Liverpool. The ships departed Sydney on 31 July 1942 and were met by Mid-Ocean Escort Force Group C-1.
Background.
As western Atlantic coastal convoys brought an end to the Second Happy Time, Admiral Karl Dönitz, the "Befehlshaber der U-Boote" (commander in chief of U-boats), shifted focus to the mid-Atlantic to avoid aircraft patrols. Although convoy routing was less predictable in the mid-ocean, Dönitz anticipated that the increased numbers of U-boats being produced would be able to effectively search the area with the advantage of intelligence gained through "B-Dienst" decryption of British Naval Cypher Number 3. However, only 20 percent of the 180 trans-Atlantic convoys sailing from the end of July 1942 until the end of April 1943 lost ships to U-boat attack.
Battle.
Discovery on 5 August.
 reported the convoy on 5 August and torpedoed the Dutch freighter "Spar".
Attack of 6 August.
"Assiniboine"s Type 286 radar spotted in a heavy fog on 6 August. The destroyer closed on the contact and briefly spotted the submarine twice before losing her in the fog. The submarine reappeared crossing the destroyer's bow at a range of , and both ships opened fire. The range was too close for "Assiniboine"s guns to engage, but her .50-calibre machine guns shot up the submarine's deck and conning tower. This kept the Germans from manning their deck gun, but the flak gun was already manned and firing. It punched holes through the destroyer's plating that set some petrol tanks on the deck afire and disabled 'A' gun. The destroyer was unable to ram "U-210" until the rear 4.7-inch gun hit the conning tower, killing the entire bridge crew and the .50-caliber machine guns were able to silence the flak gun. This caused Lieutenant Sorber, the senior surviving officer, to order the submarine to dive, but this meant that she had to hold a straight course while doing so. "Assiniboine" was able to take advantage of this and rammed "U-210" abaft the conning tower whilst she was diving. This caused the electric motors to fail, damaged her propellers and led to water entering the submarine, as a result of which Sorber ordered the ballast tanks to be blown and the submarine to be abandoned. The destroyer rammed her again when "U-210" resurfaced, dropped a pattern of depth charges set to detonate at shallow depth and hit her one more time with a 4.7-inch shell before the submarine finally sank.
Attack of 8 August.
 torpedoed the British freighter "Anneberg" and American freighter "Kaimoku" on the afternoon of 8 August while torpedoed the British freighters "Kelso" and "Trehata" and Greek freighter "Mount Kassion". Three undamaged ships were abandoned in the resulting panic. One of them, the British freighter "Radchurch", was later torpedoed by "U-176". The "Shakespeare"-class destroyer leader and the Polish destroyer arrived to reinforce the escort, while "Dianthus" left the convoy to repair damage incurred while ramming and sinking "U-379".
Attack of 10 August.
 torpedoed the Greek freighter "Condylis" in daylight on 10 August while torpedoed the British freighters "Cape Race", "Empire Reindeer" and "Oregon". The remainder of the convoy reached Liverpool on 13 August.
Ships in the convoy.
Allied merchant ships.
A total of 35 merchant vessels joined the convoy, either in Sydney or later in the voyage.
Convoy escorts.
A series of armed military ships escorted the convoy at various times during its journey.