Knowing regulations on weapon handling can mean the difference between a normal day and being detained by military law enforcement for improper weapon use Joint Base Langley-Eustis, Va. U.S. Airmen living in the dormitories and U.S. Soldiers living in the barracks are required to store their weapons in designated armories. (U.S. Air Force graphic by Airman 1st Class Kimberly Nagle/Released)