Video: Falcon 9 rocket fires engines in pre-launch test (members only)

SpaceX’s Falcon 9 rocket is set for liftoff from Cape Canaveral on Thursday, heading due east over the Atlantic Ocean to deliver the Turkish Turksat 5A communications satellite into orbit around 33 minutes later.

Expedition 45 commander Scott Kelly and flight engineer Kjell Lindgren have switched their spacesuits to battery power to begin planned six-and-a-half-hour spacewalk Wednesday outside the International Space Station.

These photos show Monday’s rollout of an Ariane 5 rocket on a 1.7-mile journey to its launch pad at the Guiana Space Center in South America.