Airmen of 436th Civil Engineer Squadron remove snow from the runway during a snow storm Jan. 7, 2017, at Dover Air Force Base, Del. Nearly every developed Air Force runway on earth is equipped with one or more weather detection instrument clusters, which feed approaching and departing aircraft conditions so they can plot safe landings, or avoid runways during the worst conditions. Battle Management’s Weather Systems Branch at Hanscom Air Force Base, Mass., manages all these weather detection systems, and worked during 2017 to protect them from ransomware computer viruses, while trying to keep sustainment costs as low as possible. (U.S. Air Force photo by Mauricio Campino)

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Photo by: Mauricio Campino |  VIRIN: 170107-F-DA916-016.JPG