TRIDENT, 1989, ONR, NSA:
Electronic directed targeting of individuals or populations
Targeting: Large population groups assembled
Display: Black helicopters flying in triad formation of three
Power: 100,000 watts
Frequency: UHF
Purpose: Large group management and behavior control, riot control
Allied Agencies: FEMA
Pseudonym: "Black Triad" A.E.M.C
https://www.abovetopsecret.com/forum/thread488381/pg1
Collaboration between Office of Naval Research (ONR) & National Security Agency (NSA)