Kennedy Space Center : The crowd cheers at Playalinda Beach in the Canaveral National Seashore, just north of the Kennedy Space Center, during the successful launch of the SpaceX Falcon Heavy rocket, Tuesday, Feb. 6, 2018. Playalinda is one of closest public viewing spots to see the launch, about 3 miles from the SpaceX launchpad 39A. (AP Photo)
A SpaceX Falcon Heavy rocket lifts off from historic launch pad 39-A at the Kennedy Space Center in Cape Canaveral, Florida, US, February 6, 2018. (Reuters)
A SpaceX Falcon Heavy rocket lifts off from historic launch pad 39-A at the Kennedy Space Center in Cape Canaveral, Florida, US, February 6, 2018. (Reuters)
Spectators at Cocoa Beach watch SpaceX's first Falcon Heavy rocket launch from the Kennedy Space Center, Florida. (Reuters)
A SpaceX Falcon Heavy rocket lifts off from historic launch pad 39-A at the Kennedy Space Center in Cape Canaveral, Florida, U.S., February 6, 2018. (Reuters)
Cape Canaveral : A Falcon 9 SpaceX heavy rocket lifts off from pad 39A at the Kennedy Space Center in Cape Canaveral, Fla., Tuesday, Feb. 6, 2018. The Falcon Heavy, has three first-stage boosters, strapped together with 27 engines in all. (AP Photo)
Cape Canaveral : Two Falcon boosters come back to land at Cape Canaveral after SpaceX's Falcon Heavy rocket lifted off from launch Pad 39A Tuesday, Feb. 6, 2018, for the maiden demonstration test flight at the Kennedy Space Center. The big rocket is made up of three rocket boosters that will produce more thrust than any other rocket now flying. (AP Photo)
A SpaceX Falcon Heavy rocket climbs towards space after lifting off from historic launch pad 39-A at the Kennedy Space Center in Cape Canaveral, Florida, US, February 6, 2018. (Reuters)
SpaceX founder Elon Musk speaks at a press conference following the first launch of a SpaceX Falcon Heavy rocket at the Kennedy Space Center in Cape Canaveral, Florida, US (Reuters)