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At Launch Pad 36A, Cape Canaveral Air Force Station, workers (at left) oversee the lifting of the nose fairing covering the Tracking and Data Relay Satellite (TDRS-H). Once at the top, the fairing will be mated with the Atlas IIA/Centaur rocket, which is already stacked, for launch on June 29. The satellite will augment the TDRS system’s existing Sand Ku-band frequencies by adding Ka-band capability. TDRS will serve as the sole means of continuous, high-data-rate communication with the Space Shuttle, with the International Space Station upon its completion, and with dozens of unmanned scientific satellites in low earth orbit