FILE - In this Feb. 11, 1986 file photo, former astronaut Neil Armstrong, a member of the presidential panel investigating the Space Shuttle Challenger explosion, listens to testimony before the commission in Washington,  David Acheson, a commission member, listens in the background. A model of the shuttle sits on the table. The family of Neil Armstrong, the first man to walk on the moon, says he has died at age 82. A statement from the family says he died following complications resulting from cardiovascular procedures. It doesn&#39;t say where he died. Armstrong commanded the Apollo 11 spacecraft that landed on the moon July 20, 1969. He radioed back to Earth the historic news of &#34;one giant leap for mankind.&#34; Armstrong and fellow astronaut Edwin &#34;Buzz&#34; Aldrin spent nearly three hours walking on the moon, collecting samples, conducting experiments and taking photographs. In all, 12 Americans walked on the moon from 1969 to 1972.   <span class=meta>(AP Photo&#47; Scott Stewart)</span>
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