Photos: Tuesday’s Atlas 5 rollout

Work on Boeing’s CST-100 commercial crew capsule will ramp up at the program’s new home base in Florida this year, with construction of a crew access tower at the Atlas 5 rocket’s launch pad underway and assembly of a spacecraft test article due to begin in a converted space shuttle hangar.

The NASA TV broadcast of the launch of an Atlas 5 rocket carrying the Orbital ATK Cygnus cargo ship bound for the International Space Station on March 22, 2016. (Membership Required)

The United Launch Alliance Atlas 5 rocket with the NROL-52 spacecraft aboard moved to the launch pad this morning for liftoff Saturday to serve the national interest. Liftoff is scheduled for 3:31 a.m. EDT (0731 GMT).