Q&A with Mike Hawes, Lockheed Martin’s Orion program manager

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.

NASA officials released a nearly five-year, $28 billion plan Monday to return astronauts to the surface of the moon before the end of 2024, but the agency’s administrator said the “aggressive” timeline set by the Trump administration last year hinges on Congress approving $3.2 billion in the next few months to kick-start development of new human-rated lunar landers.

International Space Station managers have named crew members to future expeditions to the research lab in 2017 and 2018, including the first German commander of a space mission and Canada’s third astronaut to fly a long-duration residency on the complex.