Terrence J. O'Shaughnessy of the Air Force, the Pentagon, Washington, D.C. 10. June 2000 - April 2001, operations officer, 555th Fighter Squadron, Aviano AB, Italy 11. April 2001 - July 2002, Commander, 510th Fighter Squadron, Aviano AB, Italy 12. August 2002 - June 2003, student, Industrial College of the Armed Forces, National Defense University, Fort Lesley J. McNair, Washington, D.C. 13. June 2003 - August 2004, Chief, Joint Plans and Operations, Supreme Headquarters Allied Powers Europe, Mons, Belgium 14. August 2004 - July 2005, senior special assistant to the Supreme Allied Commander Europe and Commander, U.S. European Command, Supreme Headquarters Allied Powers Europe,
Supreme Headquarters Allied Expeditionary Force with the American 6th Army Group (6 AG) under the command of Lieutenant General Jacob L. Devers. During the invasion of southern France, the 6 AG was under the command of the Allied Forces Headquarters (AFHQ) of the Mediterranean Theatre of Operations, but after one month command passed to SHAEF. By this time, the three Army Groups had taken up the positions on the Western Front in which they would remain until the end of the war—the British 21 AG to the North, the American 12 AG in the middle and the 6 AG to the South. By December 1944,