Airman 1st Class A Garcia, Aircraft Maintenance Squadron Electrician, awaits instruction to deice a C-17 Globemaster III prior to a mission Nov. 22 at McChord Field, Joint Base Lewis-McChord, Wash. Deicing can be accomplished by mechanical methods (scraping, pushing); through the application of heat; by use of dry or liquid chemicals designed to lower the freezing point of water (various salts or brines, alcohols, glycols); or by a combination of these different techniques. (U.S. Air Force photo/Tech. Sgt. Oshawn Jefferson)
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