Pfc. Seth A. Eklund, refrigeration mechanic, Engineer's Platoon, 8th Communication Battalion, II Marine Expeditionary Force (Fwd), troubleshoots a military air conditioning unit here Dec. 21, 2005. Eklund, a native of Stryker, Ohio, and the Marines of the Engineer's Platoon make sure the unit's communication gear is fueled, cooled and ready for operation.