The Future Aircraft Technology Enhancements (FATE) program is a program to develop new technologies. It is being run by the

Air Force Research Laboratory The Air Force Research Laboratory (AFRL) is a scientific research and development detachment of the United States Air Force Air Force Materiel Command, Materiel Command dedicated to leading the discovery, development, and integration of direct- ...

(AFRL) and the

Defense Advanced Research Projects Agency The Defense Advanced Research Projects Agency (DARPA) is a research and development agency of the United States Department of Defense responsible for the development of emerging technologies for use by the military. Originally known as the Adva ...

(DARPA). The X-39 aircraft designation is reserved for use with FATE by the USAF.

References

Battle Of The X-Planes

Future Aircraft Technology

Artist's conception of a FATE aircraft
X-39 {{aero-2000s-stub