SELFRIDGE AIR NATIONAL GUARD BASE, Tech. Sgt. Teresa Villa, a crew chief with the 191st Aircraft Maintenance Squadron, prepares to receive a KC-135 from MacDill Air Force Base, Florida, here on May 24, 2021. The crew of the aircraft are here as part of Air Mobility Command's biennial training exercise, "Mobility Guardian 2021." MG21 is focused on all-domain operations in contested, degraded, and operationally-limited environments against a high-end adversary.

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Keywords: 127th, air, base, guard, kc-135, michigan, national, selfridge, wing