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“This modeling is indicative of manned aviation being quite often mistaken for unmanned aviation or UAS,” they said.

The company alleged that allergists who decried UAS practices were restricting the market and limiting patient access to allergen immunotherapy.

The project, known as TORUS, short for Targeted Observation by Radars and UAS of Supercells, deployed dozens of university and government scientists, who used highly sensitive instruments to measure structures within supercells, the storm systems that produce many of the most severe tornadoes.

White House Homeland Security Adviser Liz Sherwood-Randall said the Biden proposal will "be groundbreaking in improving our defenses against the exploitation of UAS for inappropriate or dangerous purposes."

The White House said the proliferation of drones "has also introduced new risks to public safety, privacy, and homeland security. Malicious actors have increasingly used UAS domestically to commit crimes, conduct illegal surveillance and industrial espionage, and thwart law enforcement efforts."