A U.S. Air Force Staff Sgt. Ryan Boyles, aircraft maintenance craftsman assigned to the 621st Contingency Response Wing, based at Joint Base McGuire-Dix-Lakehurst, N.J., guides a C-130 Hercules as it conducts air mobility operations at Holland Drop Zone on Fort Bragg, N.C., during Joint Operations Access Exercise 12-02, June 7, 2012. JOAX is a two-week forcible entry and ground combat exercise to prepare Air Force and Army service members to respond to worldwide crises and contingencies.