Soldiers carry the casket of former U.S. Senator John McCain to the east entrance of the U.S. Capitol in Washington D.C., the United States, on Aug. 31, 2018. John McCain, a two-time contender for the U.S. presidency, died at his home in the state of Arizona on Aug. 25. (Xinhua/Yang Chenglin)

Soldiers carry the casket of former U.S. Senator John McCain to the east entrance of the U.S. Capitol in Washington D.C., the United States, on Aug. 31, 2018. John McCain, a two-time contender for the U.S. presidency, died at his home in the state of Arizona on Aug. 25. (Xinhua/Yang Chenglin)

Soldiers carry the casket of former U.S. Senator John McCain out of the hearse at the east side of the U.S. Capitol in Washington D.C., the United States, on Aug. 31, 2018. John McCain, a two-time contender for the U.S. presidency, died at his home in the state of Arizona on Aug. 25. (Xinhua/Yang Chenglin)