5.56x45mm NATO Link rounds are organized prior to use

5.56x45mm NATO Link rounds are organized prior to use by U.S. Marines from 3rd Platoon, Alpha Company, 1st Battalion, 7th Marine Regiment, Regimental Combat Team 6 during a battle sight zero (BZO) range on Forward Operating Base Nolay, Helmand province, Afghanistan July 20, 2012. Marines BZO their weapons to ensure effective target acquisition.