Airman 1st Class Damian Dimmick, 90th Missile Security Forces Squadron; Brook Preren; Senior Airman Andy Vargas Noesi, 90th MSFS; Robert Randall and Zack Johnson each find their own style as they jump into Sloan Lake in Cheyenne, Wyo., January 16, 2016. They had each paid $20 for the privilege of a swim in 34-degree water as part of the Matthew S. Schwartz Memorial Polar Plunge named for an Explosive Ordinance Disposal technician assigned to F.E. Warren Air Force Base who was killed in action while deployed to Afghanistan in 2012. (U.S. Air Force photo by R.J. Oriez)