375th CES prepares for snowfall
Senior Airman Mike Miller, 375th Civil Engineer Squadron horizontal construction journeyman, signs in for nightshift snowplow duty, Jan. 19, 2011 at Scott Air Force Base, Ill. During the 375th CES shift change, signing in and out is a requirement before beginning and leaving each shift. (U.S. Air Force photo/Airman 1st Class Divine Cox)