Staff Sgt. Mark Kestner, 927th Civil Engineer Squadron, deploys a hand line from the hand line cabinet of the fire department's newest crash vehicle, the "Stryker", during a training exercise. Severe winter weather dictated training be conducted in the base fire department. The 927th CES is a subordinate unit of 927th Air Refueling Wing, an Air Force Reserve Command unit, located at Selfridge Air National Guard Base, Mich.