Live updates from Thursday morning’s SpaceX AST SpaceMobile Bluebird 1-5 mission that launched a Falcon 9 rocket from Cape Canaveral Space Force Station.

Billionaire Jared Isaacman stepped out of the Crew Dragon spacecraft just before midday to begin a two hour float in space at an orbit of 700 kilometres – nearly double the altitude of the International Space Station. A backup opportunity is available on Friday at the same time.

Check back for live FLORIDA TODAY Space Team launch updates from the Polaris Dawn mission on this page, starting about 11:30 p.m. Monday.

AST's stock is up about 1,300% since hitting a record low in April and the best performer in the small-capitalization Russell 2000 Index over the past six months

SpaceX is targeting a four-hour window from 4:52-8:52 a.m. EDT to launch a Falcon 9 rocket from Launch Complex 40 at Cape Canaveral Space Force Station. No target time has been announced yet for this Bluebird 1-5 mission.