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Nicholson was buried with full military honors at Arlington National Cemetery on March 30, posthumously awarded the Purple Heart and the Legion of Merit. In an unprecedented move, President Ronald Reagan signed the papers to promote him posthumously to the rank of honorary lieutenant colonel. Three years later, amid the thawing of relations between the superpowers as Gorbachev met with Reagan at summits in Geneva and Reykjavik, an official apology for his death was finally issued by Soviet defense minister Dmitry Yazov. President Reagan had consistently brought up the subject of his killing at every opportunity with the Soviets.
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Iain MacGregor (Checkpoint Charlie: The Cold War, the Berlin Wall and the Most Dangerous Place on Earth)