Kellogg Brown and Root Services Inc., Houston, Texas, is awarded a $71,467,204 firm-fixed-price, indefinite-delivery/indefinite-quantity modification to exercise Option Four under previously-awarded contract N62470-17-D-4012 for base operations support services at Camp Lemonnier, Djibouti; Chabelley Airfield, Djibouti; and Camp Simba, Kenya. Award of this option brings the total cumulative value of the contract to $340,659,008. Work will be performed in Djibouti City, Djibouti (81%); Manda Bay, Kenya (15%); and Chabelley, Djibouti (4%), and is expected to be completed by November 2022. No funds will be obligated at time of award. Fiscal 2021 operation and maintenance (Navy); fiscal 2021 operation and maintenance (Air Force); and fiscal 2021 operation and maintenance (National Security Agency) funds in the amount of $8,910,005 for recurring work will be obligated on the first task order to be issued during the option period and will expire at the end of the current fiscal year. The Naval Facilities Engineering Systems Command Europe, Africa, Central, Naples, Italy, is the contracting activity.