Warheads on foreheads is a common expression heard across the Air Force, but without all of the skill and expertise of ammo Airmen throughout the career field, dropping munitions on our enemies wouldn’t be possible. Maintaining proficiency in their craft is important, which is why all ammo troops in the process of obtaining their seven- and nine-level skill upgrades visit the Air Force Combat Ammunition Center administered by the 9th Munitions Squadron.