Flexible Aerospace System Solution for Transformation (FASST)

Hypersonic Vehicle Systems Integration, presented by Dr. Kevin G. Bowcutt, Senior Technical Fellow, Chief Scientist of Hypersonics, Boeing Phantom Works (Boeing FASST TSTO concept shown pg 24):
http://research.nianet.org/~grossman/Fundamentals/Hypersonic%20Systems%20Integration/4-HEI%20SysIntegration.pdf

Phantom Works tour article mentioning and with same FASST concept pictured:
http://www.promotex.ca/articles/cawthon/2002/11-01-2002_article.html

AFIT thesis - OPTIMAL RE-ENTRY TRAJECTORY TERMINAL STATE DUE TO VARIATIONS IN WAYPOINT
LOCATIONS (Boeing FASST pg 22):
http://www.dtic.mil/cgi-bin/GetTRDoc?AD=ADA493413&Location=U2&doc=GetTRDoc.pdf

THE DECISION MAKER’S GUIDE TO ROBUST, RELIABLE AND INEXPENSIVE ACCESS TO SPACE. (Wishful thinking one presumes...). (Boeing FASST pg 87):
http://www.au.af.mil/au/awc/awcgate/cst/csat37.pdf

Dr. Kevin Bowcutt and others at the Boeing Phantom Works in Huntington Beach, California, are collaborating with Air Force Space Command and NASA on a horizontal takeoff, two-stage-to-orbit waverider concept known as FASST (Flexible Aerospace System Solution for Transformation). The concept would operate from a standard runway with a waverider first stage using a hydrocarbon-fueled, turbine-based combined-cycle propulsion system (based upon the NASA Glenn Research Center Revolutionary Turbine Accelerator (RTA) program) and operate to at least Mach 4 and 70,000 feet altitude. The second stage orbital vehicle is also a waverider design using a hydrogen-fueled rocket-based combined cycle engine transitioning to a pure rocket mode at Mach 12

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