Additionally, many thousands of service members and contractors pass through Camp Arifjan either on their way to or from Iraq, Afghanistan or other countries in Southwest Asia. The service members deployed to Camp Arifjan are in a variety of different statuses. Many are on active duty and come on a one-year Permanent Change of Station (PCS), while some active duty come in a Temporary Change of Station (TCS) status. Additionally, there are many Guard and Reserve units that support a variety of functions in the SouthWest Asia theater that come on varied length tours.