9th Mission Support Command (9th MSC) is a United States Army Reserves unit located in Fort Shafter, Honolulu, Hawai'i. The 9th Mission Support Command is a U.S. Army Reserve Command under the operational control of U.S. Army Pacific. Headquartered in Honolulu, Hawaii, the command consists of approximately 3,500 Army Reserve Soldiers and 160 civilians throughout the Pacific, including Hawaii, Alaska, American Samoa, Japan, Korea, Guam and Saipan.