Declassified Black Projects is a curated collection of previously highly classified military/defense projects. These Black Projects were unacknowledged publicly by the government, military personnel, or defense contractors at the time.VentureStar ac X-20 Dyna-Soar ac SR-71 Blackbird ac XB-70 Valkyrie ac X-30 National Aerospace Plane ac ISINGLASS a cancelled in 1960s ... Retrieved 2007-09-21. ... [ 3] Because it was a demonstration aircraft, the Bird of Prey used a commercial off -the-shelf turbofan engine and manual hydraulic controls rather than fly-by-wire.
|Title||:||Declassified Black Projects|
|Author||:||Robert B Durham|
|Publisher||:||Lulu.com - 2015-04-30|