International Space Station Commander Sergey Ryzhikov and flight engineers Sergey Kud-Sverchkov and Kate Rubins boarded their Russian Soyuz MS-17 on March 19 and undocked from the orbital outpost, reparking 34 min. later at a different module to clear the preferred port for the arrival of the next crew.

President Joe Biden on March 19 nominated former three-term Sen. Bill Nelson, (D-Fla.), to serve as the 14th administrator of NASA, succeeding fellow former U.S. legislator Jim Bridenstine, whose nomination Nelson opposed.

The first fully commercial space launch of the Russian Soyuz 2.1a vehicle in 2021, planned for March 20, is expected to orbit 38 various satellites from 18 countries into three different Sun-synchronous orbits.

NASA’s Space Launch System core stage fired up its four Aerojet Rocketdyne RS-25 engines on March 18 for a critical, 8-min. integrated test ahead of the booster’s debut launch on the uncrewed Artemis I lunar mission.

With its Starlink broadband network now exceeding 1,200 satellites, SpaceX formalized an agreement with NASA to operate its megaconstellation on a noninterference basis with the International Space Station and other agency spacecraft in low Earth orbit.

The FAA has renewed two launch operator licenses for Northrop Grumman for its aircraft-launched Pegasus rocket system from Wallops Flight Facility, Virginia, and Cape Canaveral, the agency said March 17.

Though the Martian surface is now cold and dry, imagery dating back to the 1960s reveals a planet where large amounts of water once flowed and pooled, perhaps contributing to an environment amenable to life.

SpaceX continues to expand the operational envelope of its Falcon 9 fleet, with a successful ninth launch and landing of a first-stage booster, setting the stage to meet its goal of 10 launches per rocket with minimal refurbishment between flights.