During the following month "Saracen" conducted training exercises, then departed harbour for her first war patrol, off Norway, on 29 July 1942. After only five days at sea on 3 August, the boat torpedoed and sank the in the North Sea, northeast of the Faroe Islands. Only one of the U-boat's crew of 44 was rescued, while a second sailor declined rescue and drowned. "U-335" was also on its first patrol. "Saracen"s First Lieutenant, Edward Preston Young, was mentioned in dispatches for his part in the action. "Saracen" ended her patrol in Lerwick on 9 August, then transferred to Holy Loch, arriving on the 11th.