Photos: Sen. John McCain's memorial service at the National Cathedral
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WASHINGTON, DC - AUGUST 31: A crowd gathers before Cindy McCain, wife of, Sen. John McCain, R-Ariz., arrives to lay a wreath at the Vietnam Veterans Memorial in Washington, Saturday, Sept. 1, 2018, during a funeral procession to carry the casket of her husband from the U.S. Capitol to National Cathedral for a memorial service. McCain served as a Navy pilot during the Vietnam War and was a prisoner of war for more than five years. (AP Photo/Andrew Harnik, Pool)