National Security Journal on MSN
At Mach 3.1 and 70,000 feet, the XB-70 Valkyrie bomber could outrun every Russian interceptor — but the US cancelled it
In the late 1950s, the U.S. spent $800 million building a Mach 3.1 strategic bomber that could cruise above 70,000 feet and ...
New record set for safe booster landings. On Tuesday, SpaceX launched another routine Falcon 9 mission from Vandenberg Space ...
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