We found information about the following specific ships:

USS O'Brien

Description: torpedo boat of the United States Navy

USS O'Brien

Description: 1914 O'Brien-class destroyer

Aliases: DD-51

USS O'Brien

Description: 1943 Allen M. Sumner-class destroyer

Aliases: DD-725

USS O'Brien

Description: 1976 Spruance-class destroyer

Aliases: DD-975

USS O'Brien

Description: 1939 Sims-class destroyer

Aliases: DD-415

We also found the following citations which are not yet associated with specific ships: