Stratolaunch conducts successful third captive carry flight test

On April 1, 2023, Stratolaunch gracefully lifted from runway 30 at Mojave Air and Space Port to begin routine flight operations in Vandenberg Space Force Base's Western Range off California's central coast.

ROC was carrying Talon-A separation test vehicle, TA-0 and the flight was the 10th for the company's launch platform.

https://www.aerotechnews.com/blog/2023/04/12/stratolaunch-conducts-successful-third-captive-carry-flight-test/