Marine Pvt. Kristian Ramirez and Lance Cpl. Matthew Uribe assigned to Kilo Company, Battalion Landing Team 3/1, 13th Marine Expeditionary Unit, practice sighting in their weapons systems while participating in Theater Amphibious Combat Rehearsal 18. Led by Naval Amphibious Force, Task Force 51/5th Marine Expeditionary 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.