Gettysburg 150th Anniversary

Gettysburg 150th Anniversary Spectators view a portrait of a Confederate field hospital during ongoing activities commemorating the 150th anniversary of the Battle of Gettysburg, Friday, June 28, 2013, at the Daniel Lady 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)

AP Photo/Matt Rourke

Gettysburg 150th Anniversary Union reenactors takes part in 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)

AP Photo/Matt Rourke

Gettysburg 150th Anniversary Reenacotrs demonstrate 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)

AP Photo/Matt Rourke

Gettysburg 150th Anniversary Members of the 1st Tennessee wait to take part in in 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)

AP Photo/Matt Rourke

Gettysburg 150th Anniversary Mounted Union reenactors takes part in 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)

AP Photo/Matt Rourke

Gettysburg 150th Anniversary A mounted Confederate reenactor takes part in 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)

AP Photo/Matt Rourke

Gettysburg 150th Anniversary Union reenactors prepare for 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. 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)

AP Photo/Matt Rourke

Gettysburg 150th Anniversary Confederate reenactors prepare 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)

AP Photo/Matt Rourke

Gettysburg 150th Anniversary 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)

AP Photo/Matt Rourke

Gettysburg 150th Anniversary A mounted Confederate reenactor takes part in 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)

AP Photo/Matt Rourke

Gettysburg 150th Anniversary Spectators view a demonstration of a Confederate field hospital by Floridians portraying the 1st N.C. Infantry during ongoing activities commemorating the 150th anniversary of the Battle of Gettysburg, Friday, June 28, 2013, at the Daniel Lady 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)

AP Photo/Matt Rourke

Gettysburg 150th Anniversary Floridians portray wounded soldiers from the 1st N.C. Infantry as part of demonstration of a Confederate field hospital during ongoing activities commemorating the 150th anniversary of the Battle of Gettysburg, Friday, June 28, 2013, at the Daniel Lady 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)

AP Photo/Matt Rourke

Gettysburg 150th Anniversary Floridians portray wounded soldiers from the 1st N.C. Infantry as part of demonstration of a Confederate field hospital during ongoing activities commemorating the 150th anniversary of the Battle of Gettysburg, Friday, June 28, 2013, at the Daniel Lady 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)

AP Photo/Matt Rourke

Gettysburg 150th Anniversary Floridians portray wounded soldiers from the 1st N.C. Infantry as part of demonstration of a Confederate field hospital during ongoing activities commemorating the 150th anniversary of the Battle of Gettysburg, Friday, June 28, 2013, at the Daniel Lady 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)

AP Photo/Matt Rourke

Gettysburg 150th Anniversary Michael Sipes, portraying Lieutenant General Jubal Early, speaks with the Associated Press during ongoing activities commemorating the 150th anniversary of the Battle of Gettysburg, Friday, June 28, 2013, at the Daniel Lady 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)

AP Photo/Matt Rourke

Gettysburg 150th Anniversary George Proulx of Cumberland, R.I., plays revelry 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)

AP Photo/Matt Rourke

Gettysburg 150th Anniversary A mounted Confederate reenactor takes part in 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)

AP Photo/Matt Rourke

Gettysburg 150th Anniversary A shopper views goods in one of the many tents selling items from boots made in them Civil War era maner to souvenirs at Bushey Farm during ongoing activities commemorating the 150th anniversary of the Battle of Gettysburg, Thursday, June 27, 2013, 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)

AP Photo/Matt Rourke

APTOPIX Gettysburg 150th Anniversary Reenactors portraying Union soldiers in the Murray's Brigade drill during ongoing activities commemorating the 150th anniversary of the Battle of Gettysburg, Thursday, June 27, 2013, 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)

AP Photo/Matt Rourke

Gettysburg 150th Anniversary A member of Union's Murray's Brigade lights his pipe during ongoing activities commemorating the 150th anniversary of the Battle of Gettysburg, Thursday, June 27, 2013, 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)

AP Photo/Matt Rourke

Gettysburg 150th Anniversary Reenactors portraying Union soldiers in the Murray's Brigade cook their rations during ongoing activities commemorating the 150th anniversary of the Battle of Gettysburg, Thursday, June 27, 2013, 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)

AP Photo/Matt Rourke

Gettysburg 150th Anniversary A typical Cilvil War era Union ration salt pork is displayed during ongoing activities commemorating the 150th anniversary of the Battle of Gettysburg, Thursday, June 27, 2013, 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)

AP Photo/Matt Rourke

Gettysburg 150th Anniversary A reenactor portraying a Union soldier in the Murray's Brigade participates during ongoing activities commemorating the 150th anniversary of the Battle of Gettysburg, Thursday, June 27, 2013, 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)

AP Photo/Matt Rourke

Gettysburg 150th Anniversary Tripp McMillan of the Overland Park, Kan., portraying a Confederate soldier in the 9th Texas Infantry, vies the field Pickett's Charge during ongoing activities commemorating the 150th anniversary of the Battle of Gettysburg, Thursday, June 27, 2013, 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)

AP Photo/Matt Rourke

Gettysburg 150th Anniversary Reenactors portraying Confederate soldiers in the 9th Texas Infantry view the field Pickett's Charge, during ongoing activities commemorating the 150th anniversary of the Battle of Gettysburg, Thursday, June 27, 2013, 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)

AP Photo/Matt Rourke

Gettysburg 150th Anniversary People visit the field of field Pickett's Charge during ongoing activities commemorating the 150th anniversary of the Battle of Gettysburg, Thursday, June 27, 2013, 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)

AP Photo/Matt Rourke

Gettysburg 150th Anniversary Reenactors demonstrate a cavalry battle during ongoing activities commemorating the 150th anniversary of the Battle of Gettysburg, Saturday, June 29, 2013, 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)

AP Photo/Matt Rourke

Gettysburg 150th Anniversary Mounted Union reenactors drill during ongoing activities commemorating the 150th anniversary of the Battle of Gettysburg, Thursday, June 27, 2013, 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)

AP Photo/Matt Rourke

Gettysburg 150th Anniversary Members of the Union Murray's Brigade set up camp during ongoing activities commemorating the 150th anniversary of the Battle of Gettysburg, Thursday, June 27, 2013, 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)

AP Photo/Matt Rourke

Gettysburg 150th Anniversary Roxanne Ramirez of Georgetown, Texas, and Robert Stripay of Sugarland, Texas, both with the Confederate Red River Battalion, meet during ongoing activities commemorating the 150th anniversary of the Battle of Gettysburg, Thursday, June 27, 2013, 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)

AP Photo/Matt Rourke

Gettysburg 150th Anniversary Shoppers walk in and out of tents at Bushey Farm during ongoing activities commemorating the 150th anniversary of the Battle of Gettysburg, Thursday, June 27, 2013, 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)

AP Photo/Matt Rourke

Gettysburg 150th Anniversary Reenactors visit with each other in view of a hill covered in parked vehicles during ongoing activities commemorating the 150th anniversary of the Battle of Gettysburg, Thursday, June 27, 2013, in Gettysburg, Pa. (AP Photo/Matt Rourke)

AP Photo/Matt Rourke

Gettysburg 150th Anniversary A typical Civil-War era Union ration coffee is displayed during ongoing activities commemorating the 150th anniversary of the Battle of Gettysburg, Thursday, June 27, 2013, 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)

AP Photo/Matt Rourke

Gettysburg 150th Anniversary Reenacotrs demonstrate 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)

AP Photo/Matt Rourke

Gettysburg 150th Anniversary Luminaries mark the graves of Union dead at Soldiers' National Cemetery during ongoing activities commemorating the 150th anniversary of the Battle of Gettysburg, Sunday, June 30, 2013, 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)

AP Photo/Matt Rourke

Gettysburg 150th Anniversary Reenactors take part in a demonstration of a battle during ongoing activities commemorating the 150th anniversary of the Battle of Gettysburg, Saturday, June 29, 2013, 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)

AP Photo/Matt Rourke

Gettysburg 150th Anniversary Spectators at a reenactment shop in a tent city during ongoing activities commemorating the 150th anniversary of the Battle of Gettysburg, Saturday, June 29, 2013, 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)

AP Photo/Matt Rourke

Gettysburg 150th Anniversary Confederate reenactors take part in a demonstration of a battle during ongoing activities commemorating the 150th anniversary of the Battle of Gettysburg, Saturday, June 29, 2013, 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)

AP Photo/Matt Rourke

Gettysburg 150th Anniversary Union reenactors take part in a demonstration of a battle during ongoing activities commemorating the 150th anniversary of the Battle of Gettysburg, Saturday, June 29, 2013, 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)

AP Photo/Matt Rourke

Trace Adkins Trace Adkins sings the national anthem at a ceremony near Meade's Headquarters on the Gettysburg battlefield during ongoing activities commemorating the 150th anniversary of the Battle of Gettysburg, Sunday, June 30, 2013, 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)

AP Photo/Matt Rourke

Gettysburg 150th Anniversary Re-enactors stand near luminaries that mark the graves of Union dead at Soldiers' National Cemetery during ongoing activities commemorating the 150th anniversary of the Battle of Gettysburg, Sunday, June 30, 2013, 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)

AP Photo/Matt Rourke

Gettysburg 150th Anniversary Re-enactors view a ceremony near Meade's Headquarters on the Gettysburg battlefield during ongoing activities commemorating the 150th anniversary of the Battle of Gettysburg, Sunday, June 30, 2013, 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)

AP Photo/Matt Rourke

Gettysburg 150th Anniversary Members of the public view a ceremony near Meade's Headquarters on the Gettysburg battlefield during ongoing activities commemorating the 150th anniversary of the Battle of Gettysburg, Sunday, June 30, 2013, 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)

AP Photo/Matt Rourke

Gettysburg 150th Anniversary Reenactors portraying "ladies of the evening" walk through a shopping area during ongoing activities commemorating the 150th anniversary of the Battle of Gettysburg, Saturday, June 29, 2013, 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)

AP Photo/Matt Rourke

Gettysburg 150th Anniversary Members of the public hold a candles near luminaries that mark the graves of Union dead at Soldiers' National Cemetery during ongoing activities commemorating the 150th anniversary of the Battle of Gettysburg, Sunday, June 30, 2013, 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)

AP Photo/Matt Rourke

Gettysburg 150th Anniversary Members of the public take part in a candle light procession to Soldiers' National Cemetery during ongoing activities commemorating the 150th anniversary of the Battle of Gettysburg, Sunday, June 30, 2013, 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)

AP Photo/Matt Rourke

This man joined the Maryland Sons of Confederate Veterans to honor his ancestor, Lt. Clinton Southworth, who he says was the first to fire an artillery (cannon) shot in the battle of Gettysburg. (WTOP/David Burd)

WTOP/David Burd

(WTOP/David Burd)

Gettysburg 150th Anniversary Gettysburg College professor Peter Carmichael speaks about the 20th Maine Volunteer Infantry Regiment and Union Col. Joshua Lawrence Chamberlain on Little Round Top during ongoing activities commemorating the 150th anniversary of the Battle of Gettysburg, Monday, July 1, 2013, 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)

AP Photo/Matt Rourke

Gettysburg 150th Anniversary A visitor to Little Round Top views the Devil's Den during ongoing activities commemorating the 150th anniversary of the Battle of Gettysburg, Monday, July 1, 2013, 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)

AP Photo/Matt Rourke

Gettysburg 150th Anniversary Tim Jenkins of Virginia views the Devil's Den from Little Round Top during ongoing activities commemorating the 150th anniversary of the Battle of Gettysburg, Monday, July 1, 2013, 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)

AP Photo/Matt Rourke

APTOPIX Gettysburg 150th Anniversary Reenactors portraying Union soldiers in the Murray's Brigade drill during ongoing activities commemorating the 150th anniversary of the Battle of Gettysburg, Thursday, June 27, 2013, 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)

AP Photo/Matt Rourke

APTOPIX Gettysburg 150th Anniversary Reenactors demonstrate a cavalry battle during ongoing activities commemorating the 150th anniversary of the Battle of Gettysburg, Saturday, June 29, 2013, 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)

AP Photo/Matt Rourke

APTOPIX Gettysburg 150th Anniversary Reenactors watch a demonstration of a battle during ongoing activities commemorating the 150th anniversary of the Battle of Gettysburg, Saturday, June 29, 2013, 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)

AP Photo/Matt Rourke

Gettysburg 150th Anniversary Reenactors take part in a demonstration of a battle during ongoing activities commemorating the 150th anniversary of the Battle of Gettysburg, Saturday, June 29, 2013, 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)

AP Photo/Matt Rourke

Gettysburg 150th Anniversary Reenactors take part in a demonstration of a battle during ongoing activities commemorating the 150th anniversary of the Battle of Gettysburg, Saturday, June 29, 2013, 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)

AP Photo/Matt Rourke

Gettysburg 150th Anniversary Union reenactors take after a demonstration of a battle during ongoing activities commemorating the 150th anniversary of the Battle of Gettysburg, Saturday, June 29, 2013, 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)

AP Photo/Matt Rourke

Gettysburg 150th Anniversary Spectators watch reenactors take part in a demonstration of a battle during ongoing activities commemorating the 150th anniversary of the Battle of Gettysburg, Saturday, June 29, 2013, 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)

AP Photo/Matt Rourke

Gettysburg 150th Anniversary Confederate reenactors march during the demonstration of a battle during ongoing activities commemorating the 150th anniversary of the Battle of Gettysburg, Saturday, June 29, 2013, 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)

AP Photo/Matt Rourke

Gettysburg 150th Anniversary Patrick Stultz of New York caries Nathaniel, 2, right, and a friend Liam Barry, 2, of Peoria, Ill., during ongoing activities commemorating the 150th anniversary of the Battle of Gettysburg, Saturday, June 29, 2013, 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)

AP Photo/Matt Rourke

Gettysburg 150th Anniversary Reenactors fire simulated artillery during a demonstration of a battle during ongoing activities commemorating the 150th anniversary of the Battle of Gettysburg, Saturday, June 29, 2013, 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)

AP Photo/Matt Rourke

Gettysburg 150th Anniversary Reenactors watch a demonstration of a battle during ongoing activities commemorating the 150th anniversary of the Battle of Gettysburg, Saturday, June 29, 2013, 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)

AP Photo/Matt Rourke

APTOPIX Gettysburg 150th Anniversary Reenactors take part in a demonstration of a battle during ongoing activities commemorating the 150th anniversary of the Battle of Gettysburg, Saturday, June 29, 2013, 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)

AP Photo/Matt Rourke

Gettysburg 150th Anniversary Women in Civil War era ball gowns help each other undress during ongoing activities commemorating the 150th anniversary of the Battle of Gettysburg, Saturday, June 29, 2013, 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)

AP Photo/Matt Rourke

Gettysburg 150th Anniversary Reenactors demonstrate a cavalry battle during ongoing activities commemorating the 150th anniversary of the Battle of Gettysburg, Saturday, June 29, 2013, 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)

AP Photo/Matt Rourke

Gettysburg 150th Anniversary Reenactors demonstrate a cavalry battle during ongoing activities commemorating the 150th anniversary of the Battle of Gettysburg, Saturday, June 29, 2013, 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)

AP Photo/Matt Rourke

Gettysburg 150th Anniversary Reenactors demonstrate a cavalry battle during ongoing activities commemorating the 150th anniversary of the Battle of Gettysburg, Saturday, June 29, 2013, 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)

AP Photo/Matt Rourke