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Hi,the three models which display here are look like XB-70.http://ntrs.nasa.gov/archive/nasa/casi.ntrs.nasa.gov/19930090231_1993090231.pdf
Hi,
the three models which display here are look like XB-70.
http://ntrs.nasa.gov/archive/nasa/casi.ntrs.nasa.gov/19930090231_1993090231.pdf
