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http://www.dtic.mil/get-tr-doc/pdf?AD=ADA407255 http://www.dtic.mil/get-tr-doc/pdf?AD=ADA407255 This report explains the background, scope and goals of the X-3
by nnx 12y ago
http://www.dtic.mil/get-tr-doc/pdf?AD=ADA407255 http://www.dtic.mil/get-tr-doc/pdf?AD=ADA407255
This report explains the background, scope and goals of the X-37 project.
The title of the second part of the report sounds interesting: "Is Space the next Pearl Harbor?"