Combat Operations Change of Command
                Col. Michael Bieniewicz, left, outgoing Combat Operations Group (COG) Commander, shakes hands with Col. Mark Crosby, the new COG commander during the Change of Command ceremony, May 3, 2014, Portland Air National Guard Base, Ore. (Air National Guard photo by Tech. Sgt. John Hughel, 142nd Fighter Wing Public Affairs/Released)
                
                    
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