Northern Lightning
Airmen assigned to the 33rd Fighter Wing perform pre-flight checks, during the Northern Lightning exercise at Volk Field, Wisconsin, Aug. 12, 2019. Maintenance Airmen inspect and prepare the jets before each flight, to help ensure the safety of pilots in the air and people on the ground. (U.S. Air Force photo by Airman 1st Class Heather Leveille)

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Photo by: Airman 1st Class Heather Leveill |  VIRIN: 190812-F-FG548-1110.JPG