Stratolaunch's PGA engine
An illustration of Stratolaunch's PGA engine, a liquid-oxygen/liquid-hydrogen engine that the company plans to use on a series of launch vehicles it is developing.
GALLERY ONLY Stratolaunch Systems World's Largest Plane
Stratolaunch Systems took its monster carrier plane out for a taxi test drive on a runway at the Mojave Air and Space Port on Dec. 18. 2017.
GALLERY ONLY Stratolaunch Systems World's Largest Plane
Stratolaunch Systems took its monster carrier plane out for a taxi test drive on a runway at the Mojave Air and Space Port on Dec. 18. 2017.
Stratolaunch and Sierra Nevada Corp. Launch System
Stratolaunch and Sierra Nevada Corp. are teaming up to create a launch system to propel the Dream Chaser space plane into orbit.
Stratolaunch engine test
Stratolaunch said Sept. 19 it successfully tested the six jet engines that power the giant aircraft that will serve as a launch platform.
Stratolaunch left wingtip
Tip of the massive Stratolaunch airplane's left wing. The plane measures 385 feet from wing to wing.
Stratolaunch's fusleage
A part of one of the two fuselages of Stratolaunch emerges from the scaffold.
Stratolaunch System's giant aircraft wing
A view down the aircraft's wing taken from the center of the plane.
Stratolaunch Systems' aircraft
An illustration of Stratolaunch Systems' aircraft carrying three Orbital ATK Pegasus launch vehicles.
Stratolaunch Rocket
Orbital Sciences will build the rocket for Paul Allen's Stratolaunch project.