And touchdown! Stratolaunch's Roc - the world's largest plane by wingspan and set to air-launch space vehicles - lands to conclude its test flight at Mojave.

Buttered the bread on landing!https://t.co/6LwhtDi9VG pic.twitter.com/6URrm062Gn

— Chris Bergin - NSF (@NASASpaceflight) April 29, 2021