John Philip Abizaid (born April 1, 1951) is a retired General in the United States Army and former Commander of the United States Central Command (CENTCOM), overseeing American military operations in a 27-country region, from the Horn of Africa, the Arabian Peninsula, to South and Central Asia, covering much of the Middle East. CENTCOM oversees 250,000 US troops. Abizaid succeeded General Tommy Franks as Commander, USCENTCOM, on July 7, 2003, and was also elevated to the rank of four-star general the same week. He was succeeded by Admiral William J. Fallon on March 16, 2007.