The cannon firing demonstrations will take place on Saturday, September 2 at 10:00 am, 11:30 am, 1:30 pm, and 3:00 pm, and on Sunday, September 3 at 11:00 am, 1:00 pm, and 2:30 pm. Each program will last approximately 20-minutes, and interpret the weapons, projectiles, and procedures Civil War artillery crews used during the war. All programs are free and open to the public. For more information, click ‘learn more,’ contact the park visitor center at 731-689-5696, visit the park website at www.nps.gov/shil, on Facebook at www.facebook.com/ShilohNMP, or on Twitter @shilohnps.