John Baptist Heffernan, USN
|30 Jun 1937|| ||Cdr.|
|1 Jan 1942|| ||T/Capt.|
|30 Jun 1942|| ||Capt.|
Warship Commands listed for John Baptist Heffernan, USN
|USS Ellis (DD 154)||Cdr.||Destroyer||15 Jun 1940||15 Jun 1941|
|USS Tennessee (BB 43)||Capt.||Battleship||10 Oct 1944||7 Sep 1945|
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