The Nation - News from April 22, 1986

Strong winds and 12-foot seas drove five of six salvage ships to safety in Port Canaveral, Fla., curtailing underwater recovery of more wreckage from the space shuttle Challenger. The Stena Workhorse, a platform ship operating an unmanned sub, remained on the job with its main objective being the search for the segment below the bottom joint of the right booster. Investigators believe leakage of explosive gases and flame from that joint set off a deadly chain reaction that destroyed the shuttle and killed its crew members Jan. 28.