180912-M-ZV304-1068 DJIBOUTI (Sept. 12, 2018) Marines and Sailors assigned to Naval Amphibious Force, Task Force 51/5th Marine Expeditionary Brigade, board an MV-22 Osprey during Theater Amphibious Combat Rehearsal (TACR 18). Led by Naval Amphibious Force, Task Force 51/5th Marine Expeditionary Expedition Brigade, TACR integrates U.S. Navy and Marine Corps assets to practice and rehearse a range of critical combat-related capabilities available to U.S. Central Command, both afloat and ashore, to promote stability and security in the region. U.S. 5th Fleet and coalition assets are participating in numerous simultaneous exercises as part of the greater Theater Counter Mine and Maritime Security Exercise to ensure maritime stability and security in the U.S. Central Command area of responsibility, connecting the Mediterranean and the Pacific through the western Indian Ocean and three strategic choke points. (U.S. Marine Corps photo by Staff Sgt. David L. Proffitt/Released)