Solo diving II. In the late 1940s, after the invention of the Aqua-lung by Cousteau and Gagnan, the first retail underwater breathing apparatus for sport was commercially marketed. As the sport expanded through the 1950s, several sporting organisations – notably the Young Men's Christian Association (YMCA) – began scuba training programmes for swimming enthusiasts, thus began the codification of what was believed to be proper practices for the expanding amateur sport of scuba diving. The buddy system was thought to be a useful corollary to the "never swim alone" edicts of the YMCA swimming and lifesaving programmes. Cousteau independently implemented a buddy
Jean-Michel Cousteau his legendary father traveled with their teams the entire length of the Amazon to document, learn, and see for themselves. In 2006, Cousteau's documentary "Voyage to Kure" inspired then U.S. President George W. Bush to protect the Papahānaumokuākea Marine National Monument, making it—with its of ocean waters, islands, and atolls—one of the largest Marine Protected Areas in the world. Unless noted otherwise, all are appearances as himself. Jean-Michel Cousteau Jean-Michel Cousteau (born 6 May 1938) is a French oceanographic explorer, environmentalist, educator, and film producer. The first son of ocean explorer Jacques Cousteau, he is the father of Fabien Cousteau