Live coverage: Ariane 5 blasts off with two Intelsat satellites

A United Launch Alliance Atlas 5 rocket launched from Cape Canaveral with a classified payload for the National Reconnaissance Office at 5:32 p.m. EST (2232 GMT) Friday. The launcher debuted new Northrop Grumman-built solid rocket boosters.

Arianespace delayed the launch of a Vega rocket from French Guiana Tuesday night due to a typhoon threatening a ground station in South Korea needed to track the vehicle as it deploys a cluster of more than 50 small satellites.

A Falcon 9 rocket was raised into position at pad 39A on Sunday for a customary test firing of its nine first stage Merlin engines. The rocket is being readied for a launch Thursday with a Dragon capsule carrying supplies to the International Space Station.