Capt. Brian Lind talks to the airmen about the 101 Critical Days of Summer in St. Paul, Minn., May 9, 2013. The 101 Critical Days of Summer is an Air Force Safety Campaign surrounding the period between Memorial Day and Labor Day each year, which identifies the risks that are associated with summer activities. (U.S. Air Force photo by Tech. Sgt Amy M. Lovgren/Released)

Tech. Sgt. Melissa Boorman tosses old mulch in St. Paul, Minn., May 9, 2013. Boorman is participating in the annual base-wide cleanup and maintenance of the 133rd Airlift Wing. (U.S. Air Force photo by Tech. Sgt Amy M. Lovgren/Released)

Pete Guittari, left, and Master Sgt. Greg Anderson, right, rake the old mulch out of the garden beds in St. Paul, Minn., May 9, 2013. Guittari and Anderson are participating in the annual base-wide cleanup and maintenance of the 133rd Airlift Wing. (U.S. Air Force photo by Tech. Sgt Amy M. Lovgren/Released)

Army Col. Michael Huddleston, who most recently served as commander of the 34th Combat Aviation Brigade (CAB), retired from the Minnesota National Guard during a ceremony at Army Aviation Support Facility 1 in St. Paul, April 29, 2013.

Army Col. Michael Huddleston stands with the current commander of the 34th Combat Aviation Brigade, Col. Gregory Thingvold, after Huddleston's last flight at Army Aviation Support Facility 1 in St. Paul, March 29, 2013.

Army Col. Michael Huddleston, former commander of the 34th Combat Aviation Brigade, checks his aircraft one final time before his last flight at Army Aviation Support Facility 1 in St. Paul, March 29, 2013. Huddleston formally ended his career April 29, 2013, after 30 years of military service.