Stratolaunch: World's Largest Airplane First Flight April 13, 2019 - YouTube
Stratolaunch - YouTube
Stratolaunch planning first aircraft flight this summer - SpaceNews
The World's Largest Plane Weighs 500,000 Pounds And Just Made Its First Flight (Pics + Video) - BroBible
Inside the world's largest plane, which has a wingspan longer than a football field and will debut in 2019 | Businessinsider
Stratolaunch – Cosmic Log
Flightradar24 on Twitter: "It looks like today is the day, @Stratolaunch is set to make its second flight today and its first since 2019. Last time, Stratolaunch was tracked with MLAT as