Air Force contingency response Airmen secure the flight line during an Agile Combat Employment Training event for Mobility Guardian 2021 at Alpena Combat Readiness Training Center, Michigan, May 24, 2021. The challenging exercise simulates combat against a highly capable adversary in a contested, degraded and operationally limited environment based on anticipated future threats.

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Size: 1870px × 1336px
Photo credit: © Operation 2021 / Alamy / Afripics
License: Licensed
Model Released: No

Keywords: 2021, ace, amc, f16, guardian, mg21, mobility