Master Sgt. Glen Kramlinger’s, 934th Security Forces Squadron plans and programs manger, shadow is displayed on the service road during a 4.5 mile ruck march in support of the Resolute Defender Ruck Challenge at Minneapolis-St. Paul Air Reserve Station, April 30, 2021. The intent for this 12 month challenge is to build and solidify resiliency, camaraderie, and communication. Currently, 40 Airmen and civilians, comprising 19 different teams, are taking part in the challenge. (Air Force photo by Chris Farley)