This Military Service Page was created/owned by
Shaun Thomas (Underdog), OSC
to remember
O'Sullivan, Cornelius Dion, LTJG.
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Casualty Info
Home Town San Francisco, CA
Last Address 945 Green St San Francisco, CA
Casualty Date Mar 15, 1943
Cause KIA-Body Not Recovered
Reason Other Explosive Device
Location Pacific
Conflict World War II
Location of Interment Manila American Cemetery and Memorial - Manila, Philippines
Wall/Plot Coordinates (cenotaph)
Official Badges
Unofficial Badges
Additional Information
Last Known Activity:
USS Triton (SS-201) began her final war patrol on 16 February 1943. After a series of Successful attacks early in March, she reported attacking a convoy on 15 March and was being depth charged. This was the last communication from the Triton. Post- war examination of Japanese records indicates that they had sunk a submarine slightly northwest of Triton's reported position. Lieutenant Junior Grade O'Sullivan was listed as Missing in Action and later declared dead 9 April 1944.
