Ascension Island a staging point by the British military during the Falklands War. Ascension Island hosts one of four ground antennas (others are on Kwajalein Island, Diego Garcia, and Cape Canaveral) that assist in the operation of the Global Positioning System (GPS) navigational system. NASA operates a Meter Class Autonomous Telescope (MCAT) on Ascension Island for tracking orbital debris, which is potentially hazardous to operating spacecraft and astronauts, at a facility called the John Africano NASA/AFRL Orbital Debris Observatory. In 1501, the Portuguese navigator Afonso de Albuquerque sighted the island on Ascension Day (which fell on 21 May that year) and named
Afonso de Albuquerque of the Town of Alhandra, six leagues distant from Lisbon. He was the second son of Gonçalo de Albuquerque, Lord of Villaverde, and of D. Leonor de Menezes, daughter of D. Álvaro Gonçalves de Athayde, Count of Atouguia, and of his wife D. Guiomar de Castro, and corrected this injustice of nature by climbing to the summit of every virtue, both political and moral. He was educated in the Palace of the King D. Afonso V, in whose palaestra he strove emulously to become the rival of that African Mars”. Afonso served 10 years in North Africa, where he gained