SOFIA's primary mirror assembly is lifted above wing level prior to its reinstallation in the telescope cavity of NASA's 747 airborne observatory Oct. 8, 2008

SOFIA's primary mirror assembly is lifted above wing level prior to its reinstallation in the telescope cavity of NASA's 747 airborne observatory Oct. 8, 2008.

SOFIA's primary mirror assembly is lifted above wing level prior to its reinstallation in the telescope cavity of NASA's 747 airborne observatory Oct. 8, 2008.

Photographer NASA/Carla Thomas
Location AFRC
SOFIAStratospheric Observatory for Infrared Astronomy747 airborne observatoryprimary mirror assemblyinstallationtelescope cavity