Monica Jacinto was the only surviving co-creator of Mondaloy, a "family of nickel-based superalloys now built into the engines replacing Russian-made rockets for American national security launches." She was the only person in the world who held the patent for this material.

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...