CHANTILLY, Va.--(BUSINESS WIRE)--Engility Holdings, Inc. (NYSE:EGL), today announced it has been awarded a $66 million contract to provide technical, management, and analysis support to the John A. Volpe Transportation Systems Center. Specifically, Engility will support the ongoing development, evaluation, and management of the Federal Aviation Administration’s Automatic Dependent Surveillance – Broadcast (ADS-B) program. The Cost Plus Fixed Fee award is valued at $66 million over three years.