The Montauk Project is considered an outgrowth of the experiments carried out where in 1943?
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. The U.S. Navy destroyer escort  was claimed to have been rendered invisible (or "cloaked") to enemy devices.
Operation Delphin Operation Delphin was an anti-partisan operation in the Independent State of Croatia that took place in World War II, from 15 November to 1 December 1943. The objective of the mission was to destroy the Partisan elements on the Dalmatian islands off central Dalmatia.