171210-M-QL632-128 PORT OF DJIBOUTI, Djibouti (Dec. 10, 2017) U.S. Marines assigned to 15th Marine Expeditionary Unit (15th MEU) stage vehicles before embarking aboard the French amphibious assault ship LHD Tonnerre (L9014). Naval Amphibious Force, Task Force 51, 5th Marine Expeditionary Brigade Sailors and Marines embarked upon Tonnerre to conduct maritime security operations within the U.S. 5th Fleet area of operations to ensure regional stability, freedom of navigation and the free flow of commerce. (U.S. Marine Corps photo by Staff Sgt. Vitaliy Rusavskiy/Released)