Mercury Federal Systems, Inc. | 51 followers on LinkedIn. Redefining Intelligence, Surveillance and Reconnaissance Mercury Federal Systems provides consulting and engineering services for demanding intelligence, surveillance, and reconnaissance problems. The mission of Mercury Federal Systems (MFS) is to provide the best solutions to the most demanding computational problems faced by the DoD, Intelligence Community and Civilian Leadership. We have world-class domain expertise in deploying COTS (off-the-shelf) and open, standards-based solutions that increase flexibility, compatibility, reduce both technological and financial risk, and accelerate system performance to deploy new mission capabilities on short notice.