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Established in 1951, the Nevada Test Site (now the Nevada National Security Site) was primarily used for nuclear weapons testing. Over 1000 tests were conducted, significantly contributing to the advancement of the U.S. nuclear arsenal during the Cold War.

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Area 51, located within the Nevada Test Site, remains shrouded in mystery. Believed to be used for testing experimental aircraft and surveillance technologies, it played a critical role in intelligence gathering during the Cold War.

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One of the most controversial tests, Operation Plumbbob (1957), included 29 nuclear detonations. It contributed to the development of safer and more efficient nuclear weapons, while also impacting the environment and public health.

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Developed in secrecy at Area 51, the U-2 spy plane played a pivotal role in gathering intelligence over the Soviet Union, especially during the 1962 Cuban Missile Crisis, proving the potential of high-altitude surveillance.

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Project Oxcart was the code name for the development of the A-12 reconnaissance aircraft, which later led to the creation of the SR-71 Blackbird. These aircraft, tested at Area 51, set new standards for speed and stealth.

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The testing at the Nevada Test Site led to considerable environmental contamination and health issues among workers and nearby civilian populations, concerning radioactivity and hazardous materials exposure.

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Years after the Cold War, many documents and information regarding the Nevada Test Site and Area 51 have been declassified, shedding light on their roles and impacts, yet some aspects remain undisclosed.