In June 2025, a NASA materials scientist who helped invent an alloy critical to American rocket engines went hiking with two friends near Mount Waterman and vanished thirty feet behind them. In February 2026, a retired two-star general who once commanded the Air Force's primary research laboratory walked out of his Albuquerque home on foot and never came back.

The account, widely attributed to McCasland by independent investigators, posted thousands of times about electric field propulsion, plasma physics, and what the account described as the operating principles of classified transmedium vehicles. Then, in late July 2026, years of posts began disappearing from the account. In August 2026, a Reddit researcher found a name that should not have been there.

The remains of Melissa Casias, LANL employee and subject of our Limitations on Nature series, were discovered in Carson National Forest almost a year after she vanished. Her family says the area had already been searched. No cause of death has been determined.

In 1956, a research organization called Aviation Studies International published a declassified Air Force report surveying electrogravitic propulsion programs at fourteen major U.S. aerospace contractors. The report called it one of the most significant areas of aerospace development at the time of writing. In 1957, the public record stopped. No papers. No patents. No published null results. No concluded program documentation. No official explanation.

Retired Air Force Major General William Neil McCasland vanished from public life — and a cryptic X account called @TMBSPACESHIPS may be connected. Fear & Wine investigated in a three-part series.

In the rapidly shifting landscape of UAP disclosure, certain names appear repeatedly — not in sensational headlines, but in the careful, sourced reporting of journalists and researchers who have spent years building this case. William Neil McCasland is one of those names. Who Is William Neil McCasland? William Neil McCasland is a retired United States Air Force Major General. His military career spanned decades and placed him in leadership roles that intersected directly with