U.S. Army Staff Sgt. Tyler C. Callahan, 128th Aviation Brigade, 210th Avn. Regiment Advanced Initial Training instructor, administers heat injury prevention measures on a Soldier during a training event at Joint Base Langley-Eustis, Virginia, June 10, 2020. Callahan credits his training and instincts that alerted him to rush to the aid of a Soldier in need. (Courtesy photo)