The presidency of Ronald Reagan began at noon EST on January 20, 1981, when Ronald Reagan was inaugurated as the 40th President of the United States, and ended on January 20, 1989. Reagan, a Republican from California, took office following a landslide victory over Democratic incumbent President Jimmy Carter in the 1980 presidential election. Reagan, a Republican from California, took office following a landslide victory over Democratic incumbent President Jimmy Carter in the 1980 presidential election. Reagan feared that the Soviet Union had gained a military advantage over the United States, and the Reagan administration hoped that heightened military spending would grant the U.S. military superiority and weaken the Soviet economy. Reagan ordered a massive buildup of the United States Armed Forces, directing funding to the B-1 Lancer bomber, the B-2 Spirit bomber, cruise missiles, the MX missile, and the 600-ship Navy. In response to Soviet deployment of the SS-20, Reagan oversaw NATO's deployment of the Pershing missile in West Germany.