September 24, 2015 - U.S. Marine 1st Lt. Weston Bartkoski balances on an obstacle during a portion of a desert survival course with the French 5th Overseas Combined Arms Regiment (RIAOM). Bartkoski is a platoon commander with Delta Company, 1st Light Armored Reconnaissance Detachment, Battalion Landing Team 3rd Battalion, 1st Marine Regiment, 15th Marine Expeditionary Unit. Elements of the 15th MEU are training with the 5th RIAOM in Djibouti in order to improve interoperability between the MEU and the French military. (U.S. Marine Corps photo by Sgt. Steve H. Lopez)