Staff Sgt. Joshua Miolan 213 Maintenance Squadron, 113th Wing, District of Columbia Air National Guard, guards an entry control point while wearing his protective suit and mask during an Ability to Survive and Operate operational readiness exercise at Joint Base Andrews, Maryland, March 19th, 2022. The exercise simulated a contested chemical weapons environment to train aircrews and other personnel to perform their role while wearing protective suits and masks.

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Keywords: -16, 113th, 121st, capital, dcng, fighter, guardians, mopp, squadron, wing