SpaceX Starship Booster 7 Testing Begins, US Space Force Interested April 27, 2022 PCChannel Space, Space Technology, SpaceX SpaceX Starship Booster 7 Testing Begins, US Space Force Interested0:00 / 0:0015 seconds15 seconds Starship Booster Starship Booster 7 begins its testing regime. The US military tests Starlink. Crew Dragon’s AX-1 launch is pushed for SLS’s wet dress. Credit spacexcentric