170904-N-RC734-092 U.S. 5TH FLEET AREA OF OPERATIONS (Sept. 4, 2017) Two rigid-hull inflatable boats assigned to Assault Craft Unit (ACU) 1, float maneuver the amphibious transport dock ship USS San Diego (LPD 22) during exercise 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 the America Amphibious Ready Group and embarked 15th Marine Expeditionary Unit (15th MEU) 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 Chief Mass Communication Specialist (select) Joseph M. Buliavac Joseph M. Buliavac/Released)