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US Navy Official Photo
Type:  Submarine
Class:  SS S
Builder:  Union Iron Works
UIC (Unit Id Code):  
Length:  219 feet
Beam:  22 feet
Displacement:  1062 tons
# Officers:  4
# Enlisted:  34
Propulsion:  Lost after foundering on 4JUL4
# Propellers:  2
Launched:  12/28/1918
Commissioned:  5/11/1922
Decommissioned:  10/19/1945

Reunion / Association
Crew Lists
# Crew listed:  99
# Commission Crew:  0
# Decommission Crew:  7
# with e-mail:  9
# Eternal Patrol:  64
Status:  Sold
Fate:  S-31 was sold for scrap. Her hulk was delivered to the purchaser, Salco Iron and Metal Company of San Francisco, CA. the following December and was scrapped in July 1947.