Northrop Grumman B-2 Spirit (Simple English Wikipedia)

Analysis of information sources in references of the Wikipedia article "Northrop Grumman B-2 Spirit" in Simple English language version.

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"Northrop B-2A Spirit fact sheet." National Museum of the United States Air Force. Retrieved: 13 September 2009.

Mehuron, Tamar A., Assoc. Editor. "2009 USAF Almanac, Fact and Figures." Air Force Magazine, May 2009. Retrieved: 13 September 2009.

Rolfsen, Bruce. "Moisture confused sensors in B-2 crash." Air Force Times, 9 June 2008. Retrieved: 13 September 2009.