Launch Roundup: Vega set to be retired; Polaris Dawn set for new launch attempt

This week, rockets will launch from all over the globe. To start the week, China’s CASC is sending a Chang Zheng 4B on what could be its 50th successful mission. The final launch of Arianespace’s Vega rocket is set to take place on Tuesday, and Polaris Dawn is expected to launch four private astronauts to low-Earth orbit, during which the world’s first private EVA out of Crew Dragon will take place. More

(Source: NASASpaceFlight.com - Sep 3)