Camp Harding was a 1922 United States Marine Corps encampment on the Gettysburg Battlefield for the Marine Expeditionary Force which conducted maneuvers and a reenactment of Pickett's Charge. The camp was on the east slope of Seminary Ridge and used the area between the Emmitsburg Road and West Confederate Avenue (a large open air theater was at the Virginia Monument).
Simulated battle
At 10:30 a.m. on July 4, 1922, Camp Harding Marines conducted a simulated battle with 2 tanks (one with machine gun, the other with 1 pound rifle) advancing on a machine gun nest, four aircraft, and a hydrogen balloon which was shot with an incendiary round (the observer dropped from the basket using a parachute). An artillery duel was also conducted. The advance…stopped at the roadway…At 11:20…assembly call was sounded by the buglar … staged on last Saturday for the President… Medal of Honor ribbon, Capt Robert C. Carter…in the defense of the [Cemetery] Ridge…Marines camped on the side of Seminary Ridge.