Virgin Orbit successfully performs its 1st rocket drop test

Billionaire Richard Branson's spaceflight firm Virgin Galactic's sister firm Virgin Orbit has successfully performed its first rocket drop test with a 70-foot dummy LauncherOne rocket. The test was performed using its Boeing 747-based launch aircraft, nicknamed "Cosmic Girl", from an altitude of 35,000 feet. CEO Dan Hart estimated the cost of a launch using LauncherOne to be about $10-15 million.