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Hi,
the Piasecki SKY-SPY was a RPV project,or unmanned surveillance aircraft,it was
based on PA-2;
http://www.dtic.mil/dtic/tr/fulltext/u2/a279794.pdf
the Piasecki SKY-SPY was a RPV project,or unmanned surveillance aircraft,it was
based on PA-2;
http://www.dtic.mil/dtic/tr/fulltext/u2/a279794.pdf