Diver - SCUBA - T-Shirts - Classic Color:White security operations

security operations

Authentic Design: Features the official Navy Enlisted Submarine Warfare Specialist badge in silver

Inactivated 7 December 1945 in Germany

Ideal for: 20th Special Forces Group soldiers and veterans

Diver - SCUBA - T-Shirts - Classic Color:White security operationsThe history of scuba diving is closely linked with the history of scuba equipment. By the turn of the twentieth century, two basic architectures for underwater breathing apparatus had been pioneered; open circuit surface supplied equipment where the diver's exhaled gas is vented directly into the water, and closed circuit breathing apparatus where the diver's carbon dioxide is filtered from the exhaled breathing gas, which is then recirculated, and