Eastern Test Range (ETR)
An instrumented missile test range, managed by the US Air Force, that extends more than 16,000 km from the launchpads of Cape Canaveral and Merritt Island across the Atlantic Ocean and Africa into the Indian Ocean. The Eastern Test Range (ETR) is associated with missile and rocket launches from Cape Canaveral Air Force Station and NASA's Kennedy Space Center. Until 1964, it was known as the Atlantic Missile Range and consisted of a chain of shore and sea-based tracking sites. All of the sea-based tracking and many of the land-based stations have now been replaced by space-based tracking, including the TDRSS (Tracking and Data Relay Satellite System).
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