Cannon Craft Soldiers assigned to the Presidential Salute Battery of the 3rd U.S. Infantry Regiment, known as “The Old Guard,” fire a cannon at Arlington National Cemetery, Va., Oct. 8, 2019. Soldiers assigned to the battery practice cannon firing every week to ensure they achieve perfection during ceremonies. SHARE: Download: Full Size (1.9 MB) Tags: army Credit: Army Cpl. Lane Hiser VIRIN: 191008-A-EI292-0009Y.JPG Photo Gallery