Lt. Col. Elisha Parkhill, 82nd Health Care Operations Squadron commander, prepares to case the 82nd Medical Operations Squadron guidon during a ceremony at Sheppard Air Force Base, Texas, Aug. 26, 2019. The transition of the 82nd MDOS to the 82nd HCOS is part of the transformation within the Air Force Medical Service, and the 82nd HCOS will provide the same high-quality care for Sheppard's dependent and retire communities. Also pictured is squadron Superintendent Master Sgt. Pablo Aguilar. (U.S. Air Force photo by John Ingle)