TRAINING ROUNDS Army Pfc. Victor Perez prepares 81mm rounds to be used on his 81mm mortar before a training mission on Camp Santiago Joint Maneuver Training Center in Salinas, Puerto Rico, July 15, 2013. Perez is assigned to the Puerto Rico National Guard's Headquarters Company, 1st Battalion, 296th Infantry Regiment, 101st Troop Command. SHARE: Download: Full Size (0.07 MB) Credit: VIRIN: 181866-Q-CRI31-516.jpg Photo Gallery