Planetology: Viewing Earth in context.
The Planetary Report. September-October 2009. 12-17.
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Four Test Flights That Boosted Apollo 11.
Aerospace America July 2009. 20-23.
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In the Thunderbolt on D-Day.
Air Force Times 8 June 2009. 24-25.
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Orion and Ares: The Future of NASA
New York Post, May 17, 2009
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An Astronaut's Letter to President Obama: Six Space Policy Musts
Popular Mechanics, March 2009
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A Bolder NASA
Popular Mechanics, June 2009
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Ares I-X: Getting Constellation Off the Ground
Aerospace America, May 2009.
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Asteroid Deflection: Planning for the Inevitable.
Aerospace America, October 2008
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Mercury Rising. (large file; 10 Mb)
Invention and Technology, Fall 2008
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Visit Invention and Technology.

Disaster at a Distant Moon
American Heritage, Fall 2008
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Is It Safe?
Aerospace America, July 2008
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Shooting for the Moon
Aerospace America, May 2008
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Space Exploration's Biggest Challenge: Explaining Why.
Aerospace America, October 2006, 20-23
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NASA Alters Its Course to the Moon. Again. Is the Program Heading for Trouble?
Popular Mechanics, May 23, 2006
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Echoes of a Thunderbolt.
Military Officer, September 2005
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The First 1000 Days
Air and Space Smithsonian, May-June, 2004
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The Forgotten Thunderbolt: The Air War Nobody Told You About
Combat Aircraft, March 2004
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Updated December 1, 2009