underwater swimmer
51Maurice Fernez — (August 30, 1885 January 31, 1952 Alfortville) was a French inventor and pioneer in the field of underwater breathing apparati, respirators and gas masks. He was pivotal in the transition of diving from the tethered diving helmet and suit of the… …
52United States Naval Special Warfare Command — Naval Special Warfare Command Active April 16, 1987 – present …
53Cook Strait — …
54Deep water blackout — Latent hypoxia hits on ascent A deep water blackout is a loss of consciousness caused by cerebral hypoxia on ascending from a deep freedive or breath hold dive, typically of ten metres or more when the swimmer does not necessarily experience an… …
55Christian J. Lambertsen — Christian James Lambertsen Dr. Lambertsen, U.S. Army in 1942 Born May 15, 1917 …
56USA armed forces divers — Contents 1 United States Navy 2 United States Army 3 United States Marine Corps …
57respiration, human — ▪ physiology Introduction the process by which oxygen is taken up and carbon dioxide discharged. The design of the respiratory system The human gas exchanging organ, the lung, is located in the thorax, where its delicate tissues are… …
58Shallow water blackout — A shallow water blackout is a loss of consciousness caused by cerebral hypoxia towards the end of a breath hold dive in water typically shallower than five metres (16 feet), when the swimmer does not necessarily experience an urgent need to… …
59Human torpedo — CGI image of human torpedo: British Mk 1 chariot ridden by two frogmen with UBA rebreathers Human torpedoes or manned torpedoes are a type of rideable submarine used as secret naval weapons in World War II. The basic design is still in use today; …
60Tumble turn — A tumble turn, or flip turn is a technique used by swimmers to reverse the direction in which they are swimming. It is usually done when the swimmer reaches the end of the swimming pool but still has one or more lengths to swim.The technique s… …
