Lockheed A-12 Oxcarts and YF-12As at Groom Lake, Nevada. (Central Intelligence Agency)
Lockheed A-12 Oxcarts and YF-12As at Groom Lake, Nevada, 1964
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Lockheed A-12 Oxcarts and YF-12As at Groom Lake, Nevada. (Central Intelligence Agency)
I think the line up of A-12 is at Plant 42 Palmdale, not Groom Lake
No. A-12s were crated and shipped by truck from Lockheed Plant B6 in Burbank to Area 51. They were not at Plant 42.