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
Portuguese conquest of Goa Portuguese conquest of Goa The Portuguese conquest of Goa occurred when the governor of Portuguese India Afonso de Albuquerque captured the city in 1510. Goa was not among the cities Albuquerque had received orders to conquer: he had only been ordered by the Portuguese king to capture Hormuz, Aden and Malacca. On November 4, 1509, Afonso de Albuquerque succeeded Dom Francisco de Almeida as Governor of the Portuguese State of India, after the arrival in India of the Marshal of Portugal Dom Fernando Coutinho, sent by King Manuel to enforce the orderly succession of Albuquerque to office. Unlike Almeida, Albuquerque