Amherst Systems Inc., Buffalo, New York, has been awarded a $99,990,000 indefinite-delivery/indefinite-quantity contract (FA2487-21-D-0014) for Test Facilities Threat Simulators (TFTS) sustaining engineering services (SES) support; and a $530,744 task order (FA2487-21-F-1017) for the 36th Electronic Warfare Squadron TFTS SES support. The contract provides for the sustainment of Radio Frequency Threat Simulators in support of the Air Force Test Center electronic warfare mission. Work will be performed in Buffalo, New York, and is expected to be completed by Sept. 30, 2031. This award is the result of a sole-source acquisition. Fiscal 2020 research, development, test and evaluation appropriations in the amount of $353,851; and fiscal 2021 operation and maintenance appropriations in the amount of $172,898 are being obligated at the time of award. Air Force Test Center, Eglin Air Force Base, Florida, is the contracting activity. (Awarded Sept. 30, 2021)