Radar-Reflector Balloons and Submarine-Delivered Devices: A Cold War–Era Explanation for Navy Encounters off the East Coast (2014–2015)

To the point

High‑altitude balloons carrying radar reflectors, potentially deployed from submarines, could explain several Navy radar sightings by yielding balloon‑like radar returns, a possibility supported by Cold War precedents and patent history and worth serious, open‑minded investigation alongside other explanations.

Are Some Of The UFOs Navy Pilots Are Encountering Actually Airborne Radar Reflectors?
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Are Some Of The UFOs Navy Pilots Are Encountering Actually Airborne Radar Reflectors?

Submarine-launched, radar reflector-toting balloons used to stimulate enemy air defenses can be traced back to a Cold War era Skunk Works program.