Volunteer groups representing Union and Confederate troops provide a weekend of "living history" at Gettysburg National Military Park. This weekend, the 28th Virginia Infantry will host a camp and programs at Pitzer Woods, Auto Tour Stop No. 6; Battery F, 1st Pennsylvania Light Artillery camp and demonstrations at the Pennsylvania Monument Auto Tour Stop No. 12, and the 2nd United States Sharpshooters on Little Round Top, Auto Tour Stop No. 8.