NASA Ames Research Center:   http://fornax.arc.nasa.gov:9999/badweb/badweb.html

Computational Fluid Dynamics Simulations from MIT:   http://raphael.mit.edu/Java/index.html

U. California at Irvine:   http://www-sci.lib.uci.edu/HSG/RefCalculators4.html#AERO

Michael Baxter's Flight Simulation Page:  http://www.geocities.com/TimesSquare/Corridor/8603/homepage.htm

Jane's Combat Simulations: http://www.janes.ea.com/

Compressible Aerodynamics Calculator (U. Vermont): http://www.aoe.vt.edu/aoe3114/calc.html