High Quality Content by WIKIPEDIA articles! The mission of Pacific Air Forces is to provide ready air and space power to promote U.S. interests in the Asia-Pacific region during peacetime, through crisis, and in war. PACAF is one of nine US Air Force major commands throughout the world, PACAF is positioned in the Pacific to organize, train, and equip the 45,000 Total Force personnel with the tools necessary to support the Commander of United States Pacific Command.