Master Sgt. Glen Kramlinger (front left), 934th Security Forces Squadron plans and programs manger, Maj. Ryan Buatala (front right), 934th Security Forces Squadron operations officer, Master Sgt. Kory Soderquist (back left), 934th Security Forces Squadron chief of training, and Lt. Col. Charles Trovarello (back right), 934th Security Forces Squadron commander, each carry 40-pound ruck sacks 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)