Staff Sgt. Yavita Cotton, a heating, ventilation and air conditioning technician with the 407th Expeditionary Civil Engineer Squadron, guides a compact track loader during the installation of large-diameter air conditioning ducts, May 4, 2017, in Southwest Asia. The new cooling system will provide cooled air to semi-permanent building that will house vital communications equipment supporting missions against ISIS in the Air Force Central Command region of operations. Cotton hails from Raleigh,

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Photo credit: © PR Library / Alamy / Afripics
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