Army Sgt. Celestino Rivera, center right, is issued an M18A1 Claymore mine at a range during a live-fire exercise on the final day of Spider Munitions System training on Fort Campbell, Ky., Jan. 24, 2014. Rivera, a combat engineer, is assigned to the 101st Airborne Division's 326th Engineer Battalion, 1st Brigade Combat Team. Army Sgt. Celestino Rivera, center right, is issued an M18A1 Claymore mine at a range during a live-fire exercise on the final day of Spider Munitions System training on Fort Campbell, Ky., Jan. 24, 2014. Rivera, a combat engineer, is assigned to the 101st Airborne Division's 326th Engineer Battalion, 1st Brigade Combat Team. SHARE: Download: Full Size (2.16 MB) Tags: Photo Essays Credit: VIRIN: 250593-G-NSQ53-792.jpg Photo Gallery