Video: The launch of Orion

The maiden flight of NASA’s Space Launch System, a heavy-lift human-rated rocket and one of the agency’s core programs, will likely not be ready for takeoff until 2020, officials said recently.

Vice President Mike Pence said Tuesday that NASA should land astronauts near the south pole of the moon within five years “by any means necessary,” calling for “new urgency” in the U.S. space program and sounding a warning for entrenched aerospace contractors to better meet schedule and cost commitments, or else lose work to other companies.

NASA has selected Blue Origin, Dynetics and SpaceX to move forward with development of human-rated lunar landers, committing nearly $1 billion in funding for a range of moonship concepts that include a variant of SpaceX’s next-generation Starship vehicle, officials announced Thursday.