Fog Blog Space Log: U.S. Astronauts Land Safely In Spacex Capsule:

• NASA astronauts Bob Behnken and Doug Hurley just completed a crucial test flight of SpaceX's new Crew Dragon spaceship.

• The men splashed the space capsule into the Gulf of Mexico at 2:48 p.m. ET off the coast of Pensacola, Florida, following a risky plunge through Earth's atmosphere.

• NASA's administrator said the mission marks "the next era in human spaceflight," since the agency is now poised to purchase flights from SpaceX.

• SpaceX CEO Elon Musk said after the mission's launch that he once doubted the company would ever see this day.