Off Target The US Federal Aviation Administration has grounded all of SpaceX's workhorse Falcon 9 rockets for the third time in just three months. An upper stage encountered a mysterious problem after dropping off two astronauts at the International Space Station over the weekend as part of its Crew-9 mission.

The U.S. Federal Aviation Administration (FAA) has ordered SpaceX to halt launches of its Falcon 9 rocket following the vehicle's third anomaly in three months. Despite successfully launching NASA’s Crew-9 mission to the International Space Station (ISS),

The Federal Aviation Administration confirmed it had grounded SpaceX’s Falcon 9 rocket pending an investigation into why the rocket’s second stage missed its deorbit landing target zone after this weekend’s Crew-9 launch from Cape Canaveral.