In the SPACEHAB Payload Processing Facility (SPPF), STS-95 Payload Specialist John Glenn, who is a senator from Ohio, checks out equipment for the mission scheduled to launch Oct. 29. He and other STS-95 crew members have been participating in SPACEHAB familiarization in the SPPF. The mission includes research payloads such as the Spartan solar-observing deployable spacecraft, the Hubble Space Telescope Orbital Systems Test Platform, the International Extreme Ultraviolet Hitchhiker, as well as the SPACEHAB single module with experiments on space flight and the aging process