Did L. Ron Hubbard battle Japanese subs off Astoria?

Pulp writer and religious figure L. Ron Hubbard figures prominently in the most spectacular story of action against “Japanese submarines” in Oregon waters. It's called, with tongue firmly in cheek, the “Battle of Cape Lookout.” (Off Cannon Beach, Clatsop County; 1940s) (For text and pictures, see https://offbeatoregon.com/1407a.sunken-submarine-rumors.html)