Live coverage: Proton blasts off on return-to-flight mission

After months of delays caused by the coronavirus pandemic, Arianespace scrubbed back-to-back Vega launch attempts Saturday and Sunday due to unfavorable high-altitude winds over the European-run Guiana Space Center in South America. The Vega rocket is awaiting launch on a rideshare mission carrying 53 small satellites into orbit for 21 customers in 13 countries.

SpaceX called off a launch attempt in Texas Monday for the Super Heavy booster and Starship launch vehicle, blaming a bad valve on the first stage. The next launch attempt for the world’s largest rocket is scheduled for Thursday, depending on weather and a fix for the valve problem.

SpaceX achieved a double success Friday with the launch of a Japanese communications satellite from Cape Canaveral, followed minutes later by the touchdown of the Falcon 9 rocket’s 15-story first stage booster on a ship in the Atlantic Ocean.