Keywords: Bathyscaphe Trieste marianas.jpg Description U S Navy Bathyscaphe Trieste 1958-1963 Just before her record dive to the bottom of the Marianas Trench 23 January 1960 The dive to a depth of 35 800 feet in the Challenger Deep off Guam was made with Lieutenant Don Walsh USN and Swiss scientist Jacques Piccard on board Waves were about five to six feet high when the two men boarded Trieste from the rubber raft seen at left USS Lewis DE-535 is steaming by in the background Source U S Naval Historical Center Photograph Photo NH 96797 http //www history navy mil Licence PD-USGov-Military-Navy Trieste submarine 1953 John C Butler class destroyer escorts |