It has been asserted for more than twenty years that a Soviet merchant vessel detected and reported the Imperial Japanese Navy strike force en route to the Pearl Harbor attack—a supposition reinforcing a variety of conspiracy theories surrounding America’s entry into World War II. But did it happen?
"Did a Soviet Merchant Ship Encounter the Pearl Harbor Strike Force?,"
Naval War College Review: Vol. 60
, Article 9.
Available at: https://digital-commons.usnwc.edu/nwc-review/vol60/iss4/9