31st AMXS masters TowFLEXX during Thracian Viper 20
U.S. Air Force Staff Sgt. Travis Martinez, 31st Aircraft Maintenance Squadron dedicated crew chief, cleans a forward transparency window during exercise Thracian Viper 20, Sept. 24, 2020, at Graf Ignatievo Air Base, Bulgaria. The 31st AMXS planned and directed expeditionary aircraft generation and maintenance operations. During exercise Thracian Viper 20, crew chiefs performed walk around inspections of the U.S. Air Force F-16 Fighting Falcon. (U.S. Air Force photo by Airman 1st Class Ericka A. Woolever)

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Photo by: Airman 1st Class Ericka A. Woolever  |  VIRIN: 200924-F-ZX177-1065.JPG