Brock Vergakis

Crews searched for scorched wreckage along the Virginia coast Wednesday in hopes of figuring out why an unmanned commercial rocket exploded in a blow to NASA’s strategy of using private companies to fly supplies and, eventually, astronauts to the International Space Station.

Crews searched for scorched wreckage along the Virginia coast Wednesday in hopes of figuring out why an unmanned commercial rocket exploded in a blow to NASA’s strategy of using private companies to fly supplies and, eventually, astronauts to the International Space Station.