The 619-foot-long Hughes Glomar Explorer attracted plenty of attention in 1974. The American deep-sea mining vessel, said to be the brainchild of eccentric billionaire Howard Hughes, was one of the ...
This March 19, 1975, file photo shows the Hughes Glomar Explorer, a 618-foot-long salvage ship built by the eccentric industrialist Howard Hughes, at the Long Beach harbor dock in Los Angeles, Calif.