Project Blue Book Case #2605. On June 24, 1953, an unidentified object was observed over Iwo Jima — the volcanic island in the western Pacific that had been the site of one of the bloodiest battles in Marine Corps history. The February-March 1945 battle for this tiny island had cost nearly 7,000 American lives and over 20,000 Japanese.
By 1953, Iwo Jima served as a U.S. military facility supporting Pacific air operations. Its strategic position — roughly midway between Tokyo and the Mariana Islands — made it a natural staging point for military flights. The island's small size and isolation meant that any aerial object was immediately noticeable and easily checked against the limited flight schedule.
The June 24 date is noteworthy — it was the sixth anniversary of Kenneth Arnold's landmark 1947 sighting that launched the modern UFO era. Whether coincidence or not, the timing added a layer of significance.
The case was classified "Unknown" — a mystery over one of America's most hallowed battlegrounds.