Area 51 — The Nevada Test Site and Atomic Context

From KB42

Area 51 — The Nevada Test Site and Atomic Context

The Area 51 Designation Origin

The name "Area 51" did not originate with the CIA or the Air Force — it came from the Atomic Energy Commission (AEC). The AEC used a numbered grid system to divide the Nevada Test Site and surrounding regions for administrative purposes. Groom Lake fell within the map square designated Area 51*** in this grid.

The AEC grid designations were themselves classified, which is why "Area 51" did not enter public discourse in the 1950s despite being the facility's operational designation in government documents. By the time the designation became known in UFO research circles in the 1970s and 1980s, its AEC origin had been largely forgotten — contributing to the perception that "51" had some mysterious or conspiratorial significance.

The Nevada Test and Training Range

Area 51 is located within the much larger Nevada Test and Training Range (NTTR)***, which encompasses approximately 2.9 million acres of restricted airspace and ground ranges within the Nellis Air Force Base complex. The NTTR includes:

  • Nellis Air Force Base (home of the USAF Weapons School; "Top Gun" of the Air Force)
  • Tonopah Test Range (where the F-117 was operationally housed after testing at Groom Lake)
  • The former Nevada Test Site (now Nevada National Security Site) — location of 928 nuclear tests between 1951 and 1992
  • Multiple aerial combat training ranges
  • Groom Lake / Area 51

The nuclear testing context is directly relevant to Area 51's history:

  • The AEC's involvement in the area predated the CIA's use of Groom Lake
  • Radioactive contamination from atmospheric nuclear tests (above-ground testing ended in 1963) affected the broader region
  • Worker health claims from Area 51 employees overlap with the documented health effects of nuclear test site work on nearby downwinders

The Nuclear Atmospheric Test Connection

Between 1951 and 1963, the United States conducted 100 above-ground nuclear weapons tests at the Nevada Test Site, approximately 100 miles south-southwest of Area 51. The fallout from these tests affected populations throughout Nevada, Utah, and beyond — the "Downwinders" who were deliberately exposed to radioactive fallout during the testing program.

The proximity of nuclear testing to Area 51's classified aviation work creates a context in which workers' health complaints are particularly difficult to evaluate: were health effects from classified chemical exposures at the base, from residual radioactive contamination in the environment, from nuclear test downwinder effects, or from conventional industrial chemical exposure? The presidential exemption prevents this question from being answered through normal legal channels.

The 1958 Land Withdrawal

In 1958, under Public Land Order 1662, the 38,400-acre land area of Groom Lake was "withdrawn from public use by the US Atomic Energy Commission" — a precursor agency to the U.S. Department of Energy. This AEC land withdrawal — made years before public awareness of Area 51 as a CIA facility — established the legal basis for excluding the public from the area and reflects the close administrative relationship between the nuclear weapons complex and the classified aviation complex throughout this period of American history.