Members of the 921st Contingency Response Squadron unload pallets from simulated aircraft during exercise Turbo Distribution 19-03 at North Vernon Municipal Airport in North Vernon, Ind., July 21, 2019. The U.S. Transportation Command holds Turbo Distribution four times a year to allow the four contingency response squadrons of the 621st Contingency Response Wing to sharpen their skills of providing humanitarian relief after simulated major national disaster. More