Air Force Staff Sgt. Enrique Castro, Joint Security Forces, tends to his feet on the first day of the two-day march from Tamara, Honduras to Soto Cano Air Base. The march officially named "The Iguana Challenge" was a command directed volunteer march for members of Joint Task Force-Bravo and Honduran Military members. The 30-mile march took particpants over the mountains surrouding Soto Cano AB. U.S. Air Force photo by Senior Airman Shaun Emery.