Col. William Hyatt assumes command from Col. Philip Ruhlman, who is headed to the Pentagon as vice director of the Air Force Studies and Analyses Agency. Ruhlman, who also has been nominated by President Bush for promotion to brigadier general, had been commander of the 20th since June 2004.
Hyatt comes to Shaw after serving as the executive officer to the Air Force vice chief of staff at the Pentagon.
At Shaw, Hyatt will lead the Air Force's largest F-16 combat wing, which is composed of 81 F-16CJ Fighting Falcons and is supported by 5,600 military men and women and 1,200 civilian workers.