Chile", revealed that the CIA actively supported the military junta during and after the overthrow of Allende and that it made many of Pinochet's officers into paid contacts of the CIA or U.S. military, even though some were known to be involved in human rights abuses. The U.S. continued to give the junta substantial economic support between the years 1973–79, despite concerns from more liberal Congressmen, as seen from the results of the Church Committee. U.S. public stance did condemn the human rights violations, however declassifies documents reveal such violations were not an obstacle for members of the Nixon and Ford administrations. Henry Kissinger visited Santiago in 1976 for the annual conference of the Organisation of American States. During his visit he privately met with Pinochet and reassured the leader of internal support from the U.S. administration. The U.S. went beyond verbal condemnation in 1976, after the murder of Orlando Letelier in Washington D.C., when it placed an embargo on arms sales to Chile that remained in effect until the restoration of democracy in 1989. This more aggressive stance coincided with the election of Jimmy Carter who shifted the focus of U.S. foreign policy towards human rights. United Kingdom Britain's initial reaction to the overthrowing of Allende was one of caution. The Conservative government recognised the legitimacy of the new government, but didn't offer any other declarations of support. Under the Labour government of 1974–1979, Britain's relations with Chile were cordial, if not close. While Britain regularly condemned the junta at the United Nations for its human rights abuses, bilateral relations between the two were not affected to the same degree. Britain formally withdrew its Santiago ambassador in 1974, however reinstated the position in 1980 under the Margaret Thatcher government. Chile was neutral during the Falkland War, but its Westinghouse long-range radar deployed at Punta Arenas, in southern Chile, gave the British task force early warning of Argentinian air attacks, which allowed British ships and troops in the war zone to take defensive action. Margaret Thatcher said that the day the radar was taken out of service for overdue maintenance was the day Argentinian fighter-bombers bombed the troopships Sir Galahad and Sir Tristram, leaving approximately 50 dead and 150 wounded. According to Chilean Junta and former Air Force commander Fernando Matthei, Chilean support included military intelligence gathering, radar surveillance, British aircraft operating with Chilean colours and the safe return of