1 Understanding a Photosynthesis Diagram Photosynthesis is a process by which plants convert the radiant energy of sunlight into chemical energy that can be used by themselves to power their lives. 2  A diagram of photâ¦.
U-Boat Crew. The crew numbers aboard a U-boat varied greatly between different U-boat types and the mission it was undertaking. A Type II U-boat comprised of 25 officers and seamen, while a Type VII housed approximately 45. A Type IX had about 50 and Type XXI had a 57 man crew. Sometimes U-boats carried specialist crews on special missions, such as scientists, spies or commandos.
K-141 Kursk. All 118 men aboard the K-141 Kursk perished when the Russian nuclear submarine sank in the Barents Sea on 12 August 2000. Kursk was an Oscar-II class cruise missile submarine commissioned into the Russian Navy in December 1994. Kursk was one of the 30 vessels that took part in the Summer-X exercise.