June 20, 1941
Today in World War II Pacific History
Day by day chronology

FRIDAY, 20 JUNE 1941

USAAF: The U.S. Army Air Corps (USAAC) becomes the U.S. Army Air Force (USAAF).

U.S. Navy: USS Grenadier (SS-210) participates in the search for O-9 (SS-70), which failed to surface after a deep dive test and remained for memorial services over the spot where O-9 sank and her crew was lost.

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