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The XB-70 Valkyrie was a prototype strategic bomber for the [[United States Air Force]]. It had speed well over Mach 1 and thus was hard to destroy with fighter interceptors. Only two were built for testing at [[Edwards Air Force Base]], [[California]].
The '''XB-70 Valkyrie''' was a prototype strategic bomber for the [[United States Air Force]]. It had speed well over Mach 1 and thus was hard to destroy with fighter interceptors. Only two were built for testing at [[Edwards Air Force Base]], [[California]].
[[Image:XB-70_flight.jpg|thumb|right|An XB-70 in flight.]]
[[Image:XB-70_flight.jpg|thumb|right|An XB-70 in flight.]]