U.S. Air Force Maj. Gen. Ronald Ladnier, commander of 17th Air Force and U.S. Air Forces Africa, poses for a photo after awarding the Air Force Meritorious Service Medal to Col. Gregory Petrequin during a change of command ceremony at Camp Lemonier, Djibouti, Feb. 27. Col. Petrequin is the outgoing commander of the 449 Air Expeditionary Group at Camp Lemonier, Djibouti in the Horn of Africa. To the right is Col. John Brunhaver, the incoming commander of the 449 AEG.