Photos: Predawn launch of Atlas 5

The Delta 4 rocket to launch the next Global Positioning System satellite to sustain the orbiting navigation network has been rolled out to the launch pad.

Blue Origin has partnered with Lockheed Martin and Northrop Grumman to build elements of the company’s human-rated lunar lander, and Draper will lead development of the lander’s avionics and guidance systems, with an aim to be ready to land a crew on the moon by 2024, company founder Jeff Bezos announced Tuesday.

Watch a 4K video replay of the launch of a SpaceX Falcon 9 rocket and Cargo Dragon spacecraft Dec. 6 on a resupply mission to the International Space Station.