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" Building the bomb was the single most expensive engineering project in the history of the United States. It began in 1942, and by the time the bomb was tested, inside the White Sands Proving Ground in the New Mexico high desert on July 16, 1945, the bomb’s price tag, adjusted for inflation, was $28,000,000,000. The degree of secrecy maintained while building the bomb is almost inconceivable. "
― Annie Jacobsen , Area 51: An Uncensored History of America's Top Secret Military Base
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" The Operation Hardtack II nuclear test series would prove even bigger than Plumbbob, in terms of the number of tests. From September 12 to October 30, 1958, an astonishing thirty-seven nuclear bombs were exploded—from tops of tall towers, in tunnels and shafts, on the surface of the earth, and hanging from balloons. Areas 3, 5, 7, 8, 9, 12, and 15 served as ground zero for the detonations, all within eighteen miles of Area 51. "
― Annie Jacobsen , Area 51: An Uncensored History of America's Top Secret Military Base
