Alexander Haig, 1924-2010

March 21, 1978: Gen. Alexander Haig speaks at a Pentagon news conference in Washington. (AP1978)

Jan. 4, 1973: President Nixon congratulates Gen. Alexander Haig after presenting him with the Distinguished Service Medal at the White House. Haig had been an assistant to Kissinger and was raised to the rank of full general and assigned as vice chief of staff, United States Army.

The four-star general, seen in this 1992 file photo, served as a top adviser to three presidents and had presidential ambitions of his own. (AP)

Aug. 17, 1981: President Reagan meets with Defense Secretary Casper Weinberger, left, and Secretary of State Alexander Haig before the start of a National Security Council meeting at the Century Plaza Hotel in Los Angeles. (AP)

March 25, 1987: Former Secretary of State Alexander Haig speaks at a news conference at New York's Waldorf Astoria Hotel to announce his bid for the 1988 Republican presidential nomination. (AP1987)

Secretary of State Alexander Haig is seen in a 1981 file photo. (1981 AP)

Sept. 25, 1985: Vice President George H.W. Bush meets with former Secretary of State Alexander Haig. (AP1985)

April 10, 1981: British Premier Margaret Thatcher greets U.S. Secretary of State General Alexander Haig at No. 10 Downing Street, London. (AP1981)

March 11, 2006: Former Secretary of State Alexander Haig, accompanied by former Secretary of State Henry Kissinger, speaks at the John F. Kennedy Presidential Library and Museum in Boston.

May 29, 2002: Former U.S. secretaries of state, from left, Madeleine Albright, Warren Christopher, Alexander Haig, and Henry Kissinger take part in the dedication and naming ceremony of the George P. Shultz National Foreign Affairs Training Center in Arlington, Va. (AP2002)