Snow formation
Bulgarian Air Force Pvt. 2nd Class Denitsa Mangarkoava stands at parade rest along with her U.S. Air Force Airman Leadership School classmates during the retreat ceremony on a snowy afternoon, Jan. 16, 2018, at the I.G. Brown Training and Education Center in East Tennessee. The campus on McGhee Tyson Air National Guard Base received snow into the night. TEC's Chief Master Sergeant Paul H. Lankford Enlisted Professional Military Education Center is the U.S. Air Force’s largest such center, where thousands attend Noncommissioned Officer Academy and ALS annually, including international service members. (U.S. Air National Guard photo by Master Sgt. Mike R. Smith)

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Photo by: Master Sgt. Mike Smith |  VIRIN: 180116-Z-SM234-002.JPG