International Security Assistance Force Joint Command Surgeon Brig. Gen. Brian Lein, Army Deputy Surgeon General Maj. Gen. Richard Stone, Air Force Surgeon General Lt. Gen. Charles Green, Navy Surgeon General Vice Adm. Matthew Nathan, U.K. Surgeon General Vice Adm. Phillip Raffealli and, ISAF Medical Adviser Brigadier Chris Parker visit the Combined Aid Station, Extended Care Ward and the Concussion Restoration Care Center on Camp Leatherneck, Afghanistan.