U.S. FIFTH FLEET AREA OF OPERATIONS -- Sailors and Marines from Naval Amphibious Force, Task Force 51, 5th Marine Expeditionary Brigade (TF 51/5) and 15th Marine Expeditionary Unit embarked French Mistral-class amphibious assault ship LHD Tonnerre to conduct amphibious and maritime security operations within U.S. 5th Fleet, Dec. 4. In the spirit of the commemoration of the 100th anniversary of World War I and in memory of the sacrifices and fighting spirit of the U.S. Marines during the second battle of the Marne, the deployment is named "Bois Belleau 100."