L-3 Communications Vertex Aerospace LLC, Madison, Mississippi, has been awarded an estimated $35,000,000 firm-fixed-price, indefinite-delivery/indefinite-quantity modification (P00015) to contract FA8106-17-D-0001 for contractor logistic support of the Air Force C-12 fleet. Work will be performed in Madison, Mississippi; San Angelo, Texas; Okmulgee, Oklahoma; Buenos Ares, Argentina; Gaborone, Botswana; Brasilia, Brazil; Bogota, Columbia; Cairo, Egypt; Accra, Ghana; Tegucigalpa, Honduras; Budapest, Hungary; Joint Base Andrews, Maryland; Nairobi, Kenya, Rabat, Morocco; Manila, Philippines; Riyadh, Saudi Arabia; Bangkok, Thailand; Ankara, Turkey; Edwards Air Force Base, California; Holloman AFB, New Mexico; Joint Base Elmendorf-Richardson, Alaska; and Yokota Air Base, Japan. Work is expected to be completed by Dec. 31, 2019. The estimated cumulative face value of the contract is $70,000,000. Air Force Life Cycle Management Center, Tinker Air Force Base, Oklahoma, is the contracting activity.