The submarine was found by the Lost 52 Project, which locates lost U.S. World War II submarines, and is the first U.S. submarine discovered off the coast of Japan. Japanese records indicate that the sub was sunk by a 500-pound bomb dropped by a naval bomber in February 1944.
After a long period of development, the new underwater strobe “Flash PRO” from manufacturer Retra is now in serial production and ready for pre-order.
HMS Urge—part of Britain's 10th Submarine Flotilla—left the Mediterranean island of Malta on April 27, 1942 but never made it to its destination of the Egyptian port of Alexandria. Until its discovery this summer, the reason for both the ship's disappearance and its final resting place were unknown. The discovery of HMS Urge suggests it sank in 1942 after hitting an explosive marine mine placed by an enemy German warship.
Underwater dome ports made out of acrylic do have their advantages but are prone to scratches, which then might affect images in a negative way.
