170913-N-AC254-1366 GULF OF ADEN (Sept. 13, 2017) Republic of Djibouti Chief of Defense Gen. Zakaria Cheik Ibrahim, center, and members of the Djibouti military tour the bridge of the amphibious assault ship USS America (LHA 6) during Alligator Dagger 2017. Alligator Dagger is a dedicated, unilateral combat rehearsal led by Naval Amphibious Force, Task Force 51/5th Marine Expeditionary Brigade, in which Navy and Marine Corps units of America Amphibious Ready Group and embarked 15th Marine Expeditionary Unit are to practice, rehearse and exercise integrated capabilities that are available to U.S. Central Command both afloat and ashore. (U.S. Navy photo by Mass Communication Specialist 2nd Class Alexander Ventura II/Released)