Video: Liftoff of Atlas 5 on NROL-55

The United Launch Alliance Atlas 5 rocket, equipped with three strap-on solid-propellant boosters for added performance, was transfered from its assembly building to the pad at Cape Canaveral’s Complex 41 today for Sunday’s launch of the commercial EchoStar 19 communications satellite.

A United Launch Alliance Atlas 5 rocket roars away from launch complex 41 at Cape Canaveral carrying a classified payload for the National Reconnaissance Office.

Japanese officials called off the launch of an H-2B rocket and HTV space station cargo ship Tuesday after a fire broke out on the launch pad at the Tanegashima Space Center.