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More Great Links

• DARPA: Oblique Flying Wing
• Popular Science: The Supersonic Shape-shifting Bomber
• The FB-111A "Switchblade"

Sources

• AD-1 Oblique Wing
  http://www.dfrc.nasa.gov/gallery/Photo/AD-1/HTML/index.html
• DARPA Oblique Flying Wing
  http://www.darpa.mil/tto/programs/ofw.htm
• "F-22 Raptor Cost." GlobalSecurity.org, March 15, 2006.
  http://www.globalsecurity.org/military/systems/aircraft/f-22-cost.htm
• "The FB-111A 'Switchblade' History." FBI-111a.net, June 16, 2006.
  http://www.fb-111a.net/History.html
• Shachtman, Noah. "U.S. Miltary Plans Shape-Shifting Supersonic Bomber." Popular Science, July 2006.
  http://www.popsci.com/popsci/aviationspace/0f2505a52aceb010vgnvcm1000004eecbccdrcrd.html
• Cramer, M.S. "Sonic Boom, Sound Barrier, and Condensation Clouds." Fluid Mechanics, Cambridge University Press, 2004.
  http://www.fluidmech.net/tutorials/sonic/soundbarrier.htm
• "Switchblade." AirAttack.com, February 1, 2006.
  http://www.air-attack.com/page/9/Switchblade.html
• "USA: Northrop Awarded Contract to Develop a Conceptual Design." TMC.net, March 19, 2006.
  http://www.tmcnet.com/usubmit/2006/03/19/1470791.htm