Q&A with Tim Ellis, CEO and co-founder of Relativity Space (members only)

A SpaceX Falcon 9 rocket is being readied for launch with a classified payload for the National Reconnaissance Office early Sunday, the commercial launcher’s 33rd overall flight, and first dedicated to a U.S. government national security mission.

An atmospheric test article of Sierra Nevada Corp.’s Dream Chaser spaceship made a successful runway landing Saturday at Edwards Air Force Base in California after a glide test flight performed to verify the craft’s handling qualities and guidance systems before future resupply missions to the International Space Station.

An Indian Polar Satellite Launch Vehicle lifted off at 0000 GMT Wednesday (8 p.m. EDT Tuesday) carrying a radar observation satellite to collect imagery in support of military, intelligence and environmental agencies.