U.S Air Force Senior Airman James Weimer from the 621st Contingency Response Wing, stationed at Joint Base McGuire-Dix-Lakehurst, N.J., guides a vehicle as it is offloaded from a U.S. Air Force C-17 Globemaster III at Mackall Army Airfield, N.C. during Joint Operational Access Exercise 12-02, June 5, 2012. The 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.