Senior Master Sgt. Henry Christle from Selfridge Air National Guard Base, 107 Weather Flight Special Operations Weather Team unloads the magazine of his M-4 rifle into the target during the annual Gray Wolverine training exercise held at Combat Readiness Training Center Alpena, Mich., July 21, 2011. Christle is the superintendent of the 107th. (U.S. Air Force photo by TSgt David Kujawa)