311th Signal Command as the designated Signal command for the Army Service Component Commands within the Pacific and Korean theaters, the 311th Signal Command combines the strengths of more than 3000 active-duty soldiers, U.S. Army Reserve soldiers and Army civilians to bring expertise, experience and commitment to meet the Army's communications mission in the Pacific.[citation needed] Headquartered at Fort Shafter, Hawaii, the 311th SC and its subordinate units are stationed across 16 time zones, ranging from Alaska to Korea, and from Hawaii to California.