This combination image shows, top, a sketch made available by the U.S. Army Signal Corps of the Union Army galloping into action on horseback at the Battle of Gettysburg, Pa, which took place July ... more 
This combination image shows, top, a sketch made available by the U.S. Army Signal Corps of the Union Army galloping into action on horseback at the Battle of Gettysburg, Pa, which took place July 1-3, 1863, during the American Civil War, and bottom, mounted Union re-enactors taking part in a demonstration of a battle during ongoing activities commemorating the 150th anniversary of the Battle of Gettysburg, Friday, June 28, 2013, at Bushey Farm in Gettysburg, Pa. (AP Photo) less 
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Associated Press
Sun, Jun 30, 2013 1:10 PM EDT