Soldiers from 2nd Battalion, 138th Field Artillery Brigade and 2nd Battalion 147th Aviation work together to prepare 69 155mm High Explosive projectiles (ammunition) and 40 M231 Modular Artillery Charge Systems (MACS) and fuses for transport via sling load operations. Air Assault qualified Soldiers with the 2/138th FA BN were provided refresher training by 2/147th during their annual training at Fort Knox, Kentucky, June 10, 2016. (US Army National Guard Photo by Maj. Carla Raisler)