Stats: Atlas 5 history and backlog

A sophisticated combat-ready U.S. military missile warning satellite moved to its launch pad at Cape Canaveral Space Force Station Saturday on top of a United Launch Alliance Atlas 5 rocket, ready for liftoff Monday afternoon.

This photo gallery shows the U.S. Navy’s Mobile User Objective System communications satellite No. 4 being encapsulated in the United Launch Alliance Atlas 5 rocket’s payload fairing for the planned Aug. 31 liftoff.

The launch of the next test flight of Boeing’s Starliner crew capsule has been delayed to no earlier than April 2 after workers replaced spacecraft avionics units damaged in a power surge during testing.