James E. "Hoss" Cartwright (born September 22, 1949) is a retired United States Marine Corps four-star general who last served as the eighth Vice Chairman of the Joint Chiefs of Staff from August 31, 2007 to August 3, 2011. He previously served as the Commander, U.S. Strategic Command, from September 1, 2004 to August 10, 2007, and as Acting Commander, U.S. Strategic Command from July 9, 2004 to September 1, 2004. He retired from the Marine Corps on August 3, 2011 after nearly 40 years of service.