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  1. Area 51 - Wikipedia

    Area 51 is a highly classified United States Air Force (USAF) facility within the Nevada Test and Training Range in southern Nevada, 83 miles (134 km) north-northwest of Las Vegas.

  2. Area 51 | Description, History, Map, & Facts | Britannica

    Nov 14, 2025 · Area 51 is a secret U.S. Air Force military installation located at Groom Lake in southern Nevada. It is administered by Edwards Air Force Base in southern California.

  3. Area 51: What is it and what goes on there? - Space.com

    Apr 9, 2025 · Area 51 is a U.S. military base that has become synonymous with tales of UFOs, government cover-ups and potentially testing alien technology.

  4. What is Area 51 and what goes on there? - BBC

    Sep 19, 2019 · Area 51 was created during the Cold War between the US and the Soviet Union as a testing and development facility for aircraft, including the U-2 and SR-71 Blackbird …

  5. Where is Area 51? The history behind the most mysterious ...

    Today, Area 51 is still an active base, but its purpose and history are a top-secret mystery.

  6. What Is Known (and Not Known) About Area 51 - Britannica

    Area 51 has spawned more conspiracy theories than perhaps any other military facility in the world. Here’s what we know (and don’t know) about this U.S. military installation.

  7. Mariners will retire Randy Johnson's No. 51 during the 2026 ...

    2 days ago · Hall of Fame left-hander Randy Johnson will have his No. 51 retired by the Seattle Mariners during a pregame ceremony on May 2, 2026.