'Sea Star of the Hebrides' Launch, 1973

Admiral of the Fleet Louis Mountbatten, 1st Earl Mountbatten of Burma (1900-1979) at the launch of the 90-foot ketch 'Sea Star of the Hebrides' which was embarking on a round-the-world trip, in London, England, 25th June 1973. Sea Star was launched during a ceremony also attended by Edward Heath beside Tower Bridge on the River Thames. (Photo by M. Stroud/Daily Express/Hulton Archive/Getty Images)