Live coverage: Kennedy Space Center to reopen Friday

The United Launch Alliance Atlas 5 rocket, standing 194 feet tall and and weighing a million pounds, unleashes two million pounds of thrust from its main engine and three solid-fuel boosters today to launch the EchoStar 19 commercial Internet broadcast satellite from Cape Canaveral, Florida.

The 330-foot tall mobile service tower is rolled away from the United Launch Alliance Delta 4 rocket at Cape Canaveral’s pad 37B in the hours before the scheduled liftoff on Aug. 19.

NASA expects to select commercial contractors to resupply the International Space Station in September, three months later than the agency’s previous timetable under a competition for cargo deliveries beginning in 2018.