SOFIA's primary mirror assembly rests in its transportation cradle prior to reinstallation in NASA's airborne laboratory on Oct. 8, 2008

SOFIA's primary mirror assembly rests in its transportation cradle prior to reinstallation in NASA's airborne laboratory on Oct. 8, 2008.

SOFIA's primary mirror assembly rests in its transportation cradle prior to reinstallation in NASA's airborne laboratory on Oct. 8, 2008.

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