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> RECORD OBS-0019 | status: DEBUNKED | filed 2026-07-31
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Operation Highjump Cover-up

RecordOBS-0019
CategoryGovernment/Cover-ups
StatusDEBUNKED
SummaryConspiracy theorists claim that the U.S. Navy's Operation Highjump (1946-1947) was a military expedition to attack a Nazi base in Antarctica, and that it was repelled by advanced German forces or UFOs. The operation is often cited as evidence of a cover-up.
OriginThe claim emerged in the 1950s and 1960s, popularized by authors like Robert Charroux and later by 'Admiral Byrd' diaries, though the diaries are considered forgeries.
Claimed
  • Operation Highjump was a military invasion of a Nazi Antarctic base.
  • The expedition was defeated by advanced aircraft or UFOs, leading to its early termination.
  • Admiral Byrd's diary describes encounters with advanced craft and a hidden base.
Evidence / consensusOperation Highjump was a legitimate naval training and scientific expedition. Its early end was due to weather and logistics, not combat. The Byrd diary is a known hoax.
> OBSERVER NOTE:
The operation's real purpose was mapping and training, but the myth persists. No evidence of any hostile engagement exists in official records.

Sources

  1. Nazi Antarctic Base

Sources are external and provided for verification. Listing does not imply the Observer endorses their claims.