Petty Officer 2nd Class Tyler Gagnon and members of the Army paddle across Joint Base Lewis-McChord's American Lake toward the Mangudai finish line after spending three days participating in physically demanding an mentally strenuous events. Mangudai was an opportunity for enlisted members to validate their credentials as senior leaders in a series of events that challenged its participants physically, mentally, emotionally, and as warriors. (U.S. Coast Guard photo by Seaman Crystal Saladino)