U.S. Navy Adm. James G. Stavridis, commander of U.S. European Command and NATO supreme allied commander, Europe, presents the certificate of retirement to U.S. Army Lt. Gen. John D. Gardner during a ceremony in Patch Barracks in Stuttgart, Germany, April 2, 2012. Gardner, the former deputy commander U.S. European Command, retired after 36 years of service in the Army. U.S. Navy Adm. James G. Stavridis, commander of U.S. European Command and NATO supreme allied commander, Europe, presents the certificate of retirement to U.S. Army Lt. Gen. John D. Gardner during a ceremony in Patch Barracks in Stuttgart, Germany, April 2, 2012. Gardner, the former deputy commander U.S. European Command, retired after 36 years of service in the Army. SHARE: Download: Full Size (2.25 MB) Tags: Photo Essays Credit: VIRIN: 043955-H-DWZ78-571.jpg Photo Gallery