The Spacehab SH Research Double Module RDM with Spacehab logo and the Earth's limb is framed by the sill of a window on Columbia's OV-102 aft flight deck AFD. 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.