U.S Air Force Maj. John Garvin, 621st Contingency Response Wing air mobility liaison officer attached to the 82nd Airborne Division, Fort Bragg, N.C., stands on Holland Drop Zone at Fort Bragg during Joint Operations Access Exercise 12-02, June 6, 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.