29 Nov 1937
United States
United States
- USS Permit departed Portsmouth, New Hampshire, United States. ww2dbase [Permit | Portsmouth, New Hampshire | CPC]
30 Nov 1941
United States
United States
- USS Grayback arrived at Portsmouth, New Hampshire, United States for a scheduled overhaul. ww2dbase [Grayback | Portsmouth, New Hampshire | CPC]
23 Jul 1942
United States
United States
- Balao-class submarine Bowfin was laid down at the Portsmouth Navy Yard, Portsmouth, New Hampshire ww2dbase [Bowfin | Portsmouth, New Hampshire | DS]
7 Dec 1942
United States


United States
- Balao-class submarine Bowfin was launched at the Portsmouth Navy Yard, Portsmouth, New Hampshire ww2dbase [Bowfin | Portsmouth, New Hampshire | DS]


1 May 1943
United States

United States
- Submarine USS Bowfin was commissioned at the Portsmouth Navy Yard, Portsmouth, New Hampshire with Commander Joseph H. Willingham in command. ww2dbase [Bowfin | Portsmouth, New Hampshire | DS]

6 Sep 1945
United States
United States
- USS R-5 arrived at Portsmouth, New Hampshire, United States. ww2dbase [R-5 | Portsmouth, New Hampshire | CPC]
14 Sep 1945
United States
United States
- USS R-5 was decommissioned from service at Portsmouth, New Hampshire, United States. ww2dbase [R-5 | Portsmouth, New Hampshire | CPC]
20 Oct 1945
United States
United States
- USS Gar arrived at Portsmouth, New Hampshire, United States. ww2dbase [Gar | Portsmouth, New Hampshire | CPC]
8 Apr 1948
United States
United States
- USS Whale arrived at Portsmouth, New Hampshire, United States by tow. ww2dbase [Whale | Portsmouth, New Hampshire | CPC]
7 Jun 1953
United States
United States
- USS Bluefish arrived at Portsmouth, New Hampshire, United States. ww2dbase [Bluefish | Portsmouth, New Hampshire | CPC]
Timeline Section Founder: Thomas Houlihan
Contributors: Alan Chanter, C. Peter Chen, Thomas Houlihan, Hugh Martyr, David Stubblebine
Special Thanks: Rory Curtis
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