This same aircraft would later be used in the F-15 ACTIVE (Advanced Control Technology for Integrated Vehicles) from 1993–1999, and later in the Intelligent Flight Control System programs from 1999 to 2008. With the help of thrust vectoring nozzles, this aircraft can perform the famous Pugachev's Cobra maneuver. While with NASA, the plane's tail number was 837; for the Quiet Spike program and Research Testbed it was 836, and 835 was used for the Highly Integrated Digital Electronic Control (HIDEC) program.