Jacques Vallée describes allegations of the Montauk Project as an outgrowth of stories about a U.S. Navy destroyer escort was claimed to have been rendered what?
Montauk Project:  Jacques Vallée describes allegations of the Montauk Project as an outgrowth of stories about the Philadelphia Experiment. Philadelphia Experiment: The Philadelphia Experiment is an alleged military experiment supposed to have been carried out by the U.S. Navy at the Philadelphia Naval Shipyard in Philadelphia, Pennsylvania, sometime around October 28, 1943. Philadelphia Experiment:  The U.S. Navy destroyer escort  was claimed to have been rendered invisible (or "cloaked") to enemy devices.
i don't know