In the Kennedy Space Center (KSC) Operations and Checkout (O and C) Building high bay, the Hopkins Ultraviolet Telescope (HUT), suspended via an overhead crane, is positioned for installation on the STS-35 Astronomy Laboratory 1 (ASTRO-1) unpressurized spacelab pallet by technicians. ASTRO-1 will be loaded into Columbia's, Orbiter Vehicle (OV) 102's, payload bay (PLB) for the STS-35 mission scheduled in April 1990. View provided by KSC with alternate number KSC-89PC-643.