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1. Operation Sea-Spray (1950)
2. Operation LAC (late 1950s–60s)
3. Operation Dew (ZnCdS tests)
We know these tests only became public decades later through hearings and declassification. Given that history, it seems fair to ask how much related research or enabling tech might still be classified. Lack of a clear public link doesn't really prove there wasn't one - it may just mean it hasn't been disclosed yet. 1. System and Method for Irradiation of Planet Surface Areas
2. Method and Apparatus for Altering a Region in the Earth’s Atmosphere, Ionosphere, and/or Magnetosphere
3. Broadcast Dissemination of Trace Quantities of Biologically Active Chemicals
4. Method and Apparatus for Creating an Artificial Electron Cyclotron Heating Region of Plasma
5. Method and Apparatus for Triggering a Substantial Change in Earth Characteristics and Measuring Earth Changes
6. Planetary Weather Modification System