
Astronaut Mike Fossum used a digital camera to create this self-portrait during the STS-124 mission’s first scheduled spacewalk. During the…

The primary mirror of SOFIA’s telescope being coated in a vacuum chamber at NASA’s Ames Research Center, in Silicon Valley…

NASA’S SOFIA infrared observatory 747SP (front) and DC-8 flying laboratory (rear) are now housed at the Dryden Aircraft Operations Facility…

The cavernous expanse of the Dryden Aircraft Operations Facility in Palmdale, Calif., now houses NASA’s DC-8 science laboratory and SOFIA…

Technicians carefully attached a spreader T-bar to the framework of SOFIA’s primary mirror assembly prior to lifting it from the…

Technicians with ropes guide SOFIA’s primary mirror assembly suspended from a crane toward its transport dolly after the mirror’s removal…

Nestled in its cradle on a transport dolly, SOFIA’s primary mirror assembly awaits transfer to a “clean room” at the…

NASA’s DC-8 flying science laboratory is ready for departure on the ARCTAS atmospheric sampling mission in April 2008 at the…

Technicians guide the dolly carrying SOFIA’s primary mirror into a clean room at the Dryden Aircraft Operations Facility prior to…