Critical Design Review for the AR1 engine, which included components made from Mondaloy.
Aerojet Rocketdyne
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WHAT IS MONDALOY: The American Alloy Built to Replace Russian Rocket Engines.
The Sentinel Network traces Mondaloy through U.S. patent and trademark filings, a Russian patent grant, Aerojet Rocketdyne’s AR1 program, L3Harris’s acquisition disclosures, and questions about how a strategic alloy was valued and preserved.

The ominous web of US scientists and lab employees who have died or gone missing continues to grow as two more cases have been linked to the disturbing trend. Missing or Unaccounted For • Monica Jacinto (Monica Reza): An aerospace engineer and materials scientist formerly with Aerojet Rocketdyne and linked to NASA’s Jet Propulsion Laboratory. She was an expert in advanced alloys and rocket engine technology. She disappeared in June 2025 while hiking in the Angeles National Forest. • William N...


THE PHONE GAP: Cell Phone Forensic Data Was Obtained in the Monica Reza Case. It Has Never Been Released.
The Sentinel examines a limited public record around cell phone forensic analysis in the Monica Reza case, including a removed search-update post and the later deletion of a civilian coordination group.


THE GREEN BURIAL: She Was Declared Dead Four Days After She Vanished. The Helicopters Were Still Searching.
This Sentinel briefing follows Monica Jacinto Reza’s disappearance, the public record around her aerospace work, and the source’s later comparison to William Neil McCasland’s disappearance.

