Live coverage: Irma knocks out power at Kennedy Space Center

During a visit to Cape Canaveral this week, NASA astronauts Doug Hurley and Bob Behnken strapped in to the SpaceX crew capsule they will ride into orbit as soon as mid-to-late May. Next week, the astronauts will be in Houston to continue training for an extended stay on the International Space Station that could last two-to-three months.

Ten days after the last liftoff from historic launch pad 39A in Florida, another SpaceX Falcon 9 rocket ignited its Merlin main engines for several seconds in a hold-down firing Thursday ahead of a planned expendable flight next week with an Inmarsat communications satellite.

A SpaceX Falcon 9 rocket lifted off from Vandenberg Space Force Base in California at 11:02 p.m. PDT Tuesday (2:02 a.m. EDT; 0602 UTC Wednesday) with another batch of 52 Starlink internet satellites.