Video: Falcon 9 fires up engines for static fire test (members only)

Investigators believe a leak of propellant inside the Crew Dragon spacecraft’s propulsion system led to the capsule’s explosion April 20 during a ground test at Cape Canaveral, and a senior SpaceX official said Monday that delays are making it “increasingly difficult” to fly astronauts on the commercial spaceship before the end of the year.

Splashdown occurred at 3:29 a.m. EDT (0729 UTC). In an unusual post-splashdown statement NASA said that all four crew members were transported “to a local medical facility for additional evaluation,” but didn’t provide any additional information.

A Soyuz rocket lifted off Sunday from Vostochny Cosmodrome in Russia’s Far East with 36 internet satellites built on Florida’s Space Coast for OneWeb, bringing the company’s fleet to 182 spacecraft, more than a quarter of the way to building out a constellation of nearly 650 orbiting relay nodes.