Thursday, Jun 21, 2018
A SpaceX Falcon 9 rocket sits on the launch pad

A SpaceX Falcon 9 rocket sits on the launch pad

A SpaceX Falcon 9 rocket sits on the launch pad after being scrubbed due to a technical problem while due for a supply mission to the International Space Station from historic launch pad 39A at the Kennedy Space Center at Cape Canaveral, Florida, U.S., February 18, 2017. REUTERS/Mike Brown