is a non-profit site operated by engineers and scientists in the aerospace field. The goal of this site is to provide educational information on a variety of subjects ranging from aviation to space travel to aerospace technology. Our primary areas of expertise include aerodynamics, propulsion systems, vehicle design, engineering career information, and aerospace history. Learn more about these and other topics by visiting the following sections of our site.

Additional information about who we are and what we do is available in the FAQ and biographies.


A virtual museum featuring data on and pictures of a wide variety of military and civil aircraft from around the world.

A series of detailed articles discussing design issues related to the history, technology, and development of aircraft and spacecraft.
Ask a Rocket

Check out our answers to questions about aviation and aerospace as asked by our visitors.
Try our useful calculators for computing aerodynamic and atmospheric properties.
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