At eleven o’clock Dutch time, a Boeing 747 named Cosmic Girl takes off with a rocket under its wing.

Source: https://www.baltimoregaylife.com/the-first-launch-from-the-ground-of-western-europe-failed-and-the-rocket-was-not-launched-into-orbit/

The space plane – named Cosmic Girl – will then be flown to high altitude, where the rocket will be dropped and ignited before flying into space.

Source: https://www.dailymail.co.uk/sciencetech/article-11599509/First-orbital-mission-UK-soil-place-week.html?ns_mchannel=rss&ns_campaign=1490&ito=1490

Virgin Orbit developed a system to send small payloads to orbit that uses Cosmic Girl and LauncherOne, a rocket that is affixed to its wing at take-off.

Source: https://techcrunch.com/2023/05/17/stratolaunch-submits-17m-bid-for-some-of-virgin-orbits-assets/

Virgin Orbit’s Cosmic Girl aircraft with its LauncherOne rocket.

Source: https://gizmodo.com/virgin-orbit-ceases-operations-layoffs-richard-branson-1850287432