Apr 10, 2019
On 10 April 1963, the USS Thresher sank during deep-diving tests off the coast of Massachusetts, killing all 129 crew and shipyard personnel on board. The loss of SSN 593 is the deadliest submarine disaster ever. #submarine #ussthresher #ssn593 #submarinesailor #sailor #navy #usnavy #submariner (at Portsmouth, Virginia) https://www.instagram.com/p/BwFYOPPBVsT/?utm_source=ig_tumblr_share&igshid=1lamebhlk97i
