Investor event on U.S. Sequoia Presidential Yacht on 16 November 2013 in Washington D.C. The Sequoia Presidential Yacht, used by over a dozen Presidents and many world leaders (e.g., Prince Charles, Brezhnev, Gorbachev, Emperor Hirohito, Emperor Selassie) has witnessed some of the world’s most historic events. From Truman hosting the first nuclear arms control conference to FDR planning D-Day, the Sequoia has been called the “most important vessel in the world.”