 Instead of entire permanent units deploying as "Provisional" as in the 1991 Gulf War, Expeditionary units are composed of "aviation packages" from several wings, including active-duty Air Force, the Air Force Reserve Command and the Air National Guard, would be married together to carry out the assigned deployment rotation.Shortly thereafter, the unit began planning for a 90-day deployment to Muscat, Oman, to again support U.S. troops enforcing the no-fly zone in Southern Iraq.More than 160 personnel were joined by members of the Ohio Air Guard's 179th Airlift Wing to support Operation Northern Watch.