U.S. Navy Command Master Chief Derrick Arrington, Naval Mobile Construction Battalion 1 (NMCB 1) talks with Seabees assigned to a project site in Ali Oune, Djibouti, Sept. 19, 2018. NMCB 1 Detachment Horn of Africa is building a medical facility in Ali Oune in support of the Ministry of Health for Djibouti. (U.S. Air National Guard Photo by Master Sgt. Andrew Sinclair)