Geographical mile longitude at the equator is thus exactly 60 geographical miles. It was closely related to the nautical mile, which was originally determined as 1 minute of arc along a great circle of the Earth, but is nowadays defined as exactly 1852 metres. The US National Institute of Standards and Technology (NIST) notes that: "The international nautical mile of 1 852 meters (6 076.115 49...feet) was adopted effective July 1, 1954, for use in the United States. The value formerly used in the United States was 6 080.20 feet = 1 nautical (geographical or sea) mile." (6080.2 feet is 1853.24496 meters.)
German submarine U-852 three survivors from the 35-man "Peleus". Two weeks later the "U-852" sank the British cargo ship SS "Dahomian" off Cape Town on 1 April. This time the "U-852" left rather than attack the survivors. On 30 April 1944, "U-852" was spotted in the Indian Ocean by a Vickers Wellington bomber flying from Aden. After being left unable to dive due to damage from aerial depth charges, she headed for the coast of Somalia. However, before reaching land the U-Boat came under attack from six RAF bombers from 621 Squadron. Eck was forced to run aground on a coral reef ()