20170919-N-JY474-014 CAMP LEMONNIER, Djibouti -- Marines with Charlie Battery, 1st Battalion, 11th Marines (1/11) from the Harpers Ferry-class dock landing ship USS Pearl Harbor (LSD 52) look over a gun carriage that will be used to secure their 5-ton M777 lightweight 155mm howitzer when transported by air from Camp Lemonnier, Djibouti, Sept. 19, 2017. The gun carriages were a joint project between the Combined Joint Task Force - Horn of Africa Seabees, attached to the Naval Mobile Construction Battalion 133 Detachment, and Marines with Charlie Battery, 1st Battalion, 11th Marines (1/11). The Marines were visiting the region as part of the Alligator Dagger exercise, which offered an opportunity for Navy and Marine Corps teams deployed to the U.S. Central Command area of responsibility to participate in rigorous integrated combat proficiency training. (U.S. Navy photo by Mass Communication Specialist 2nd Class Jared E. Walker/Released).