Live coverage: Falcon 9 rocket launches, and lands, at Cape Canaveral

SpaceX called off a scheduled launch of a Falcon 9 rocket about a half-hour before liftoff from Cape Canaveral Monday due to strong upper level winds, and officials aim to try again to send 60 Starlink Internet satellites into orbit Wednesday after bypassing a planned launch attempt Tuesday due to poor weather in the offshore booster recovery area.

With Hurricane Isaias threatening Florida’s East Coast, astronauts Doug Hurley and Bob Behnken are awaiting a go-ahead on plans to undock from the International Space Station Saturday, setting up a fiery plunge to splashdown Sunday, presumably in the Gulf of Mexico, to close out a 64-day flight.

The launch of the SES O3b mPOWER satellites a day after the Transporter-9 rideshare mission from California. The Boeing-built O3b mPOWER 5&6 satellites launched from Space Launch Complex 40 (SLC-40) at the start of the 89-minute window that opened at 4:08 p.m. EST (2108 UTC).