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.
In addition to the air assault on Battleship Row, the Japanese had launched five midget submarines. These midget subs, which were approximately 78 1/2 feet long and 6 feet wide and held only a two man crew, were to sneak into Pearl Harbor and aid in the attack against the battleships.