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
Philippe Cousteau Jr. The couple currently appear as the co-stars of the Travel Channel series Caribbean Pirate Treasure. Cousteau married entertainment journalist Ashlan Gorse on September 25, 2013 in a civil ceremony at the City Hall of the 8th arrondissement in Paris, and had a second ceremony on September 28, 2013 at the Château d’Esclimont in Saint-Symphorien-le-Château. Cousteau has co-written two books, "Going Blue" and "Make a Splash". "Going Blue" won five awards. His latest book, "Follow the Moon Home", was released in 2016. Philippe Cousteau Jr. Philippe-Pierre Jacques-Yves Arnault Cousteau Jr. is the son of Philippe Cousteau and the grandson of Jacques-Yves