U.S. Army Lt. Col. Thomas Herold, a native of San Antonio, Texas, assigned to the 10th Combat Service Hospital and currently working at the United Kingdom Role 3 Hospital, shakes hands with U.S. Army Deputy Surgeon General Maj. Gen. Richard Stone, April 17, after having the honor of being promoted to colonel by Stone. Senior military medical officials from the U.S. and the United Kingdom visited medical units throughout Afghanistan to assess the advances and challenges being faced in the medical community while in a deployed environment.