Although troops from several of the coalition countries were present in Iraq at this time, the U.S. Central Command (USCENTCOM) was the primary military apparatus charged with providing direct combat support to the CPA to enforce its authority during the occupation of Iraq.
Meskipun pasukan-pasukan dari beberapa negara koalisi ada di Irak pada waktu itu, Komando Pusat AS (USCENTCOM) adalah badan militer utama yang diberi tugas untuk memimpin dukungan tempur kepada PKSI untuk menegakkan otoritasnya selama pendudukan Irak.