"O" Class Submarine (1917)

Sixteen "O" class submarines were completed for the U.S. Navy in 1918.

[show]Overview of 16 vessels
Citations for this data available on individual ship pages
Name	Builder	Laid Down	Launched	Completed	Fate
O-1	Portsmouth Navy Yard	26 Mar, 1917	9 Jul, 1918	5 Nov, 1918	Stricken 1938
O-2	Puget Sound Navy Yard	27 Jul, 1917	24 May, 1918	19 Oct, 1918	Broken up 1945
O-3	Fore River Shipbuilding Company	2 Dec, 1916	29 Sep, 1917	13 Jun, 1918	Broken up 1946
O-4	Fore River Shipbuilding Company	4 Dec, 1916	20 Oct, 1917	29 May, 1918	Broken up 1946
O-5	Fore River Shipbuilding Company	8 Dec, 1916	11 Nov, 1917	8 Jun, 1918	Collision 28 Oct, 1923
O-6	Fore River Shipbuilding Company	6 Dec, 1916	25 Nov, 1917	12 Jun, 1918	Broken up 1946
O-7	Fore River Shipbuilding Company	14 Feb, 1917	16 Dec, 1917	4 Jul, 1918	Broken up 1946
O-8	Fore River Shipbuilding Company	27 Feb, 1917	31 Dec, 1917	11 Jul, 1918	Broken up 1946
O-9	Fore River Shipbuilding Company	15 Feb, 1917	27 Jan, 1918	27 Jul, 1918	Lost 20 Jun, 1941
O-10	Fore River Shipbuilding Company	27 Feb, 1917	21 Feb, 1918	17 Aug, 1918	Broken up 1946
O-11	Lake Torpedo Boat Company	6 Mar, 1916	29 Oct, 1917	19 Oct, 1918	Broken up 1930
O-12	Lake Torpedo Boat Company	6 Mar, 1916	29 Sep, 1917	18 Oct, 1918	Broken up 1931
O-13	Lake Torpedo Boat Company	6 Mar, 1916	27 Dec, 1917	27 Nov, 1918	Broken up 1930
O-14	California Shipbuilding Company	6 Jul, 1916	6 May, 1918	1 Oct, 1918	Broken up 1930
O-15	California Shipbuilding Company	21 Sep, 1916	12 Feb, 1918	27 Aug, 1918	Broken up 1930
O-16	California Shipbuilding Company	7 Oct, 1916	9 Feb, 1918	1 Aug, 1918	Broken up 1930