List of ship decommissionings in 2004
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The list of ship decommissionings in 2004 includes a chronological list of all ships decommissioned in 2004.
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| Operator | Ship | Flag | Class and type | Fate | Other notes | |
|---|---|---|---|---|---|---|
| 17 August |  Royal Navy
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Sir Percivale | Round Table-class landing ship logistics | Scrapped | ||
| 25 August |  United States Navy
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Thorn | Spruance-class destroyer | Awaiting disposal in fleet exercises | ||
| 30 August | United States Navy
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Valley Forge | Ticonderoga-class cruiser | Sunk as a target | ||
| 10 September | United States Navy
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Portsmouth | Los Angeles-class submarine | Nuclear submarine recycling | ||
| 24 September | United States Navy
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O'Brien | Spruance-class destroyer | Sunk as a target | ||
| 30 September | United States Navy
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Ticonderoga | Ticonderoga-class cruiser | Inactive | Ship's Maintenance Facility in Philadelphia, Pennsylvania | |
| 1 October | United States Navy
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Fletcher | Spruance-class destroyer | Awaiting disposal | ||
| 1 October | United States Navy
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Sacramento | Sacramento-class fast combat support ship | Undergoing scrapping | ||
| 14 October | United States Navy
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Parche | Sturgeon-class submarine | Nuclear submarine recycling | ||
| 19 October | Royal Navy
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Sandown | Sandown-class minehunter | Sold to Estonia | ||
| 25 October | Royal Navy
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Glasgow | Type 42 destroyer | Scrapped | ||
| 5 November | Royal Navy
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Newcastle | Type 42 destroyer | Scrapped | ||
| 15 November | Royal Navy
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Inverness | Sandown-class minehunter | Sold to Estonia | ||
| 3 December | United States Navy
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Yorktown | Ticonderoga-class cruiser | Awaiting disposal |