U.S Air Force airmen from the 621st Contingency Response Wing based at Joint Base McGuire-Dix-Lakehurst, N.J., offload a trailer belonging to the 10th Mountain Division, based at Fort Drum, N.Y., at Mackall Army Airfield, N.C. during Joint Operational Access Exercise 12-02, June 3. 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.