Italian air force Primo Luogotenente Stefano B., left, 15th Wing, 81st Search and Rescue Training Center instructor, speaks to Airmen assigned to the 31st Fighter Wing at Aviano Air Base, Italy, during an avalanche theory class at Piancavallo, Italy, Jan. 20, 2021. The class covered topics such as snow composition, building snow shelters, and indicators for avalanches.

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