Sea Weapons

Submarine (1918)

R-class class

USS R-20 (SS-97)

Preceded by:

O-class (1918)

Succeeded by:

S-class (1920)

Registry

Ship Code Builder Laid Launch Comm Decomm Fate
R-1 SS-78 Fore River16/10/191724/08/191816/12/191820/09/1945Sold/Scrapped
R-2 SS-79 Fore River16/10/191723/09/191824/01/191910/05/1945Sold/Scrapped
R-3 SS-80 Fore River11/12/191718/01/191917/04/191904/11/1941Sunk under tow
R-4 SS-81 Fore River16/10/191726/10/191828/03/191918/06/1945Sold/Scrapped
R-5 SS-82 Fore River16/10/191724/11/191815/04/191914/09/1945Sold/Scrapped
R-6 SS-83 Fore River17/12/191701/03/191901/05/191927/09/1945Sold/Scrapped
R-7 SS-84 Fore River06/12/191705/04/191912/06/191914/09/1945Sold/Scrapped
R-8 SS-85 Fore River04/03/191817/04/191921/07/191902/05/1931Sunk as target
R-9 SS-86 Fore River06/03/191824/05/191930/07/191925/09/1945Sold/Scrapped
R-10 SS-87 Fore River21/03/191828/06/191920/08/191918/06/1945Sold/Scrapped
R-11 SS-88 Fore River18/03/191821/07/191905/09/191905/09/1945Sold/Scrapped
R-12 SS-89 Fore River28/03/191815/08/191923/09/191912/06/1943 Loss, unknown cause
R-13 SS-90 Fore River27/03/191827/08/191917/10/191914/09/1945Sold/Scrapped
R-14 SS-91 Fore River06/11/191810/10/191924/12/191907/05/1945Sold/Scrapped
R-15 SS-92 Union Iron Wks30/04/191710/12/191727/07/191817/09/1945Sold/Scrapped
R-16 SS-93 Union Iron Wks26/04/191715/12/191705/08/191816/07/1945Sold/Scrapped
R-17 SS-94 Union Iron Wks05/05/191724/12/191718/08/191809/03/1942Sold/Scrapped
R-18 SS-95 Union Iron Wks16/06/191708/01/191811/09/191819/09/1945Sold/Scrapped
R-19 SS-96 Union Iron Wks23/06/191728/01/191807/10/191809/03/1942Leased
R-20 SS-97 Union Iron Wks04/06/191721/01/191826/10/191827/09/1945Sold/Scrapped
R-21 SS-98 Lake19/04/191710/07/191817/06/191921/06/1924Sold/Scrapped
R-22 SS-99 Lake19/04/191723/09/191801/08/191929/04/1925Sold/Scrapped
R-23 SS-100 Lake25/04/191705/11/191823/10/191925/04/1925Sold/Scrapped
R-24 SS-101 Lake09/05/191721/08/191827/06/191911/06/1925Sold/Scrapped
R-25 SS-102 Lake26/04/191715/05/191723/10/191921/06/1924Sold/Scrapped
R-26 SS-103 Lake26/04/191718/06/191923/10/191912/06/1925Sold/Scrapped
R-27 SS-104 Lake16/05/191723/09/191803/09/191924/04/1925Sold/Scrapped
Transfers:
Ship Code Former Code Comm Decomm Fate
P511 P511 R-3 SS-80 04/11/194120/12/1944Returned
P512 P512 R-17 SS-94 09/03/194206/09/1944Returned
P514 P514 R-19 SS-96 09/03/194221/06/1942 Loss in collision

Gallery