Stats: Delta 4 history and backlog (updated March 30)

The Atlas 5 rocket emerges from the Vertical Integration Facility for rollout to Complex 41 at Cape Canaveral in preparation to launch GPS 2F-12 satellite on Friday at 8:38 a.m. EST.

SpaceX and United Launch Alliance have split up to $645 million in new contracts to deploy U.S. Air Force navigation and surveillance satellites into orbit from 2019 through 2021.

Technicians around Cape Canaveral spent the last four weeks assembling a United Launch Alliance Atlas 5 rocket and preparing a Lockheed Martin-built NOAA weather satellite for liftoff March 1.