Gary Wear of Apple Valley Calif., with Moody’s Battery Confederate artery prepares for a demonstration of a battle during ongoing activities commemorating the 150th anniversary of the Battle of Gettysburg, Friday, June 28, 2013, at at Bushey Farm in Gettysburg, Pa. Union forces turned away a Confederate advance in the pivotal battle of the Civil War fought July 1-3, 1863, which was also the war?s bloodiest conflict with more than 51,000 casualties. (AP Photo/Matt Rourke)