Medal of Honor Recipients
| Last | First | Middle | Rank/Rate | Duty Stations | Awards | Branch of Service | Photo | 
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| O'DONOGHUE | TIMOTHY | S | 
            
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| O'HARE | EDWARD | HENRY | LCDR | 
            
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| O'KANE | RICHARD | HETHERINGTON | RADM | 
            
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| O'MALLEY | ROBERT | EMMETT | SGT | 
            
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| O'NEAL | JOHN | BM | 
            
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| OAKLEY | WILLIAM | GM2 | 
            
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| OBREGON | EUGENE | ARNOLD | PFC | 
            
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| OHMSEN | AUGUST | MAA | 
            
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| OLLIE | KEYONNA | A. | AB1 | 
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| OLSEN | ANTON | OS | 
            
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| ORMSBEE | FRANCIS | EDWARD | CMM(NAP) | 
            
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| ORNDOFF | HARRY | WESTLEY | PVT | 
            
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| ORTEGA | JOHN | S | 
            
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| OSBORNE | JOHN | S | 
            
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| OSBORNE | WEEDEN | EDWARD | LTJG (DC) | 
            
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