Presolicitation NASA Range Operations Contract II: The National Aeronautics and Space Administration (NASA) Goddard Space Flight Center's (GSFC) Wallops Flight Facility (WFF) plans to issue a Draft Request for Proposal (DRFP) for the Range Operations Contract (ROC) II. This contract is a Full and Open competitive follow-on contract for the support services currently provided under contract NNG16WA71C. The NASA Research Range Services (RRS) Program provides tracking, telemetry, meteorological, optical, and command and control services for flight vehicles including orbital and suborbital rockets, aircraft, satellites, balloons, and Unmanned Aircraft Systems (UAS). The services also include a real-time display and capture of mission-specific flight, payload, and science data. This contract will support the RRS through Wallops Range instrumentation operations and maintenance; support services; training; command, control, communications, information, and computer systems services; testing, modifying, installing, and operating communications and electronic systems, ground support systems, and spacecraft and launch vehicle processing systems at launch facilities, spacecraft processing facilities, launch vehicle processing facilities, launch control centers and test facilities; operating and maintaining suborbital launch systems; and developing flight and ground systems technology. The ROC II acquisition has been defined as a Full and Open competition, Cost plus Fixed Fee, Indefinite Delivery Indefinite Quantity contracting vehicle with a total estimated value of $200M. The anticipated release date of the Draft RFP (DRFP) is the end of March 2017 and the anticipated release date of the Final Request for Proposal (RFP) is the end of May 2017.