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All posts tagged "YF-12A"

The YF-12 was developed in the 1960s as a high-altitude, Mach 3 interceptor to defend against supersonic bombers. Based on the A-12 reconnaissance aircraft, the YF-12A became the forerunner of the highly-sophisticated SR-71 strategic reconnaissance aircraft.

The YF-12 was developed in the 1960s as a high-altitude, Mach 3 interceptor to defend against supersonic bombers. Based on the A-12 reconnaissance aircraft, the YF-12A became the forerunner of the highly-sophisticated SR-71 strategic reconnaissance aircraft.

Smart Bombs: Military, Defense and National Security

Before the SR-71 Blackbird There Was the YF-12 — A Mach 3 Interceptor Armed With Missiles That Could Kill From 100 Miles Away

The Lockheed YF-12 Hit Mach 3 and 80,257 Feet in 1965 — Then the Tet Offensive Ended Its Air Force Career In the 1960s,...

Brent M. EastwoodApril 3, 2026