Black Construction/Mace International JV, Harmon, Guam (N40084-18-D-0066); and SJC-BVIL LLC,* Montrose, Colorado (N40084-18-D-0068), are awarded a combined $10,000,000 modification to previously awarded indefinite-delivery/indefinite-quantity contracts. This modification provides to facilitate additional capacity to order construction services at Navy Support Facility Diego Garcia. Work will performed in Diego Garcia, British Indian Ocean Territory, and is expected to be completed by Jan. 23, 2023. No funds will be obligated at time of award. The Naval Facilities Engineering Systems Command Far East, Yokosuka, Japan, is the contracting activity.