Gettysburg, Pa., then and now

The Civil War battle of Gettysburg was fought from July 1-3, 1863, Union troops defeated Confederate forces and halted General Robert E. Lee’s invasion of the North.

The battle, in which more than 40,000 soldiers were killed or wounded, was a turning point in the war and in President Lincoln’s political career.

Four months later, Lincoln delivered his Gettysburg Address at the dedication of a cemetery for soldiers killed in the battle.

Getty Images photographer John Moore returned to the battlefield 150 years later to re-shoot some of the war’s iconic images to show the changes over the years.