This is Virgin Orbit's second attempt to launch the LauncherOne rocket. It also carries cubesats which were contracted by NASA through Venture Class Launch Services contract.
Virgin Orbit is a company within the Virgin Group which plans to provide launch services for small satellites. The company was formed in 2017 to develop the air-launched LauncherOne rocket, launched from Cosmic Girl, which had previously been a project of Virgin Galactic. Based in Long Beach, California, Virgin Orbit has more than 300 employees led by president Dan Hart, a former vice president of government satellite systems at Boeing. Virgin Orbit focuses on small satellite launch, which is one of three capabilities being focused on by Virgin Galactic. These capabilities are: human spaceflight operations, small satellite launch, and advanced aerospace design, manufacturing, and test