Buddy diving just before and after the Second World War. After the invention of the "aqualung" by Cousteau and Gagnan, the first commercially underwater breathing apparatus became available for sale for sporting purposes in the late 1940s. As the new sport of scuba diving rapidly expanded through the 1950s, several sporting organisations—notably the YMCA—began programmes to train swimming enthusiasts in this new aquatic pastime, and began to codify what they believed were proper practises for this expanding sport. The YMCA considered the buddy system a useful corollary to the "never swim alone" rule of their swimming and lifesaving programmes. Cousteau himself independently
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