National Security Journal on MSN
The Mach 3.08 XB-70 Valkyrie Bomber Has a Message for the U.S. Military
The XB-70 Valkyrie was born from a simple Cold War idea: fly so high and fast that nothing could touch you. North American’s ...
Yet, at high temperatures — around 500° C — the material achieved a yield strength of 300 to 400 megapascals, versus the ...
Jason Hanson on MSN
Ex-CIA officer's ballistic testing of body armor rating system to verify manufacturer protection claims
Death Valley's World Record 134 Degree High Should Be Overturned, Study Says Secretive Border Patrol program is detaining US citizens for ‘suspicious’ travel ...
Although NASA’s Project Mercury and SpaceShipOne served very different objectives, a closer look reveals that both missions ...
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