English: The Upper Atmosphere Research Satellite (UARS), is documented in the payload bay (PLB) of the earth-orbiting Discovery, Orbiter Vehicle (OV) 103. UARS is scheduled for deploy on flight day three of the STS-48 mission. UARS components visible in this image include (front to back): the Solar Stellar Pointing Platform (SSPP) (at bottom); the stowed high-gain antenna (HGA) (right); Particle Environment Monitor (PEM) (cone at upper left); the Microwave Limb Sounder (MLS) antenna dish (center); and the Cryogenic Limb Array Etalon Spectrometer (CLAES) (center back). The stowed remote manipulator system (RMS) arm is seen along the port side sill longeron. The vertical tail and the orbital maneuvering system (OMS) pods appear in the background against the blackness of space. This view was taken using an electronic still camera (ESC) as part of Development Test Objective (DTO) 648, Electronic Still Photography.