Navy says 'UFO patent' tests could not prove the 'Pais Effect'
- When
- Where
- Patuxent River, MD
- Sources
- 2 public sources

Naval Air Warfare Center Aircraft Division told The War Zone that tests tied to Salvatore Pais's patent claims ran from 2016 to 2019, cost about $508,000, and ended without proving the claimed 'Pais Effect'. Related FOIA records showed a patent did not mean working technology.