while attempting to repair a leak in SEALAB III, Craven headed an advisory group that determined the best method of salvaging the SEALAB habitat. After leaving the Navy, Craven became the Marine Affairs Coordinator for the State of Hawaii and also the Dean of marine programs at the University of Hawaii. During his time in Hawaii, it has been alleged that Craven was involved in the development and operation of the secretive salvage ship Glomar Explorer, built to follow up on the discovery of a sunken Soviet submarine, the K-129, by other of Craven's projects, the nuclear-powered spy submarine Halibut. Craven also served on the U.S. government's Weather Modification Commission during the Carter Administration. During that time, a hypothetical method was developed to significantly reduce the impact of tropical cyclones. In 1976, after losing in his campaign to become a member of the United States House of Representatives, Craven was appointed as the Director of the Law of the Sea Institute. In 2001, he was the president of the Common Heritage Corporation. After earning his law degree through an evening program, Craven was responsible for directing the International Law of the Sea Institute. In 1990 he established the Common Heritage Corporation for innovation management to benefit the common heritage of mankind. Craven was a member of the National Academy of Engineering. According to the magazine Wired, Craven's latest undertaking was to link islands in the Pacific Ocean with sustainable energy, agriculture, and freshwater through the use of Deep Ocean Water pumped up using pipes from offshore. He was developing a new and innovative cold water therapy, which may produce significant health breakthroughs and slow the aging process. Craven wrote the book, The Silent War: The Cold War Battle Beneath the Sea. John Piña Craven's daughter, Sarah Craven, is a prominent international advocate of women's rights. John Piña Craven resided in Honolulu, Hawaii for many years. In 1994, he ran against long-term Honolulu mayor Frank Fasi for the nomination of the new Best Party for governor; Fasi won the nomination but came in second in the general election. In 1998, he received the first Distinguished Civilian Service Award by the Naval Submarine League for his work on Scorpion, Polaris, and other projects. Craven died in Honolulu on February 12, 2015, at the age of 90, from Parkinson's disease. Notes References Sherry Sontag, Blind Man's Bluff: The Untold Story of American Submarine