STS-35 Mission Specialist Hoffman watches IPS testing in KSC's O&C Building
Description: STS-35 Mission Specialist (MS) Jeffrey A. Hoffman participates in tests being conducted on the Astronomy Laboratory 1 (ASTRO-1) instrument pointing system (IPS) in the Kennedy Space Center (KSC) Operations and Checkout Building cleanroom. IPS will position Astro observatory's three ultraviolet telescopes on unpressurized spacelab pallet mounted in Columbia's, Orbiter Vehicle (OV) 102's, payload bay (PLB). View provided by KSC with alternate number KSC-88PC-417.
