Army Command Sgt. Maj. John W. Troxell, senior enlisted advisor to the chairman of the Joint Chiefs of Staff, talks with participants of the 2017 Cateran Yomp near Blairgowrie, Scotland, June 10, 2017. Over 1,000 competitors hiked up to 54-miles across 24 hours to raise money for British army families. DoD photo by Army Sgt. James K. McCann