The Spacehab SH Research Double Module RDM with Spacehab logo is visible in orbiter Columbia's OV-102 payload bay PLB backdropped against the Earth. On the roof of the SH is the Star Navigator STARNAV, Miniature Satellite Threat Reporting System MSTRS, and Combined Two-Phase Loop Experiment COM2PLEX payloads. Visible in the aft section of the PLB is upper portion of the Extended Duration Orbiter EDO pallet.