"Major General George S. Hammond's first appearance was in 1997. He has appeared in the following episodes, and will probably not be seen again, as he died of a heart-attack in 2008."@en . . "Major General George S. Hammond's first appearance was in 1997. He has appeared in the following episodes, and will probably not be seen again, as he died of a heart-attack in 2008."@en . . "George S. Hammond - List of Appearances"@en .