SHAW AIR FORCE BASE, S.C. - U.S. Air Force officials and local law enforcement officials are asking the public's help in locating Captain Robby Williams, who was last seen December 18th, 2013.

Williams did not report to work on December 23rd at Shaw Air Force Base, where he has been stationed since November 2012.

He resides in the Columbia area, and is described as an African-American male in his late 20s, 5'7” and 190 pounds, with brown eyes and brown hair.

He may be driving a 2013 black Jeep Wrangler with South Carolina license plate ITC-701.

Tips should be reported to the Richland County Sheriff’s Department’s Crimestoppers line at 1-888-274-6372 or 803-576-3000.