Naval Inactive Ship Maintenance Facility
A Naval Inactive Ship Maintenance Facility is a facility owned by the United States Navy as a holding facility for decommissioned naval vessels, pending determination of their final fate. All ships in these facilities are inactive, but some are still on the Naval Vessel Register, while others have been struck from that Register.
The ships that have been stricken from the NVR are disposed of by one of several means, including foreign military sale transfer, ship donation as a museum or memorial, domestic dismantling and recycling, artificial reefing, or use as a target vessel. Others are retention assets for possible future reactivation, which have been laid up for long-term preservation and are maintained with minimal maintenance should they need to be recalled to active duty.
The Navy has been reducing the number of inactive ships, which numbered as many as 195 in 1997, but was down to 49 by the end of 2014.
The Naval Sea Systems Command's Inactive Ships Management Office is based in Portsmouth, Virginia.
There are NISMFs in:
- Bremerton, Washington
- Pearl Harbor, Hawaii
- Philadelphia, Pennsylvania,
Inactive ship facilities in Suisun Bay, James River and Beaumont, Texas are owned and operated by the Maritime Administration under the U.S. Department of Transportation.
Vessels moored at NISMFs
Following is a list of vessels currently being stored at the facilities as per the NAVSEA Inactive Ship Inventory dated September 26, 2017 :Philadelphia, Pennsylvania
| Ship | Class | Type | Status |
| Destroyer | Stricken, to be disposed of. | ||
| Frigate | Stricken, to be disposed of. | ||
| Landing Ship, Tank | Stricken, to be disposed of. | ||
| Gunboat | Stricken, to be disposed of. | ||
| Frigate | Stricken, possible foreign sale. | ||
| Destroyer | On Donation Hold | ||
| Amphibious Cargo Ship | Stricken, to be disposed of. | ||
| Frigate | Stricken, possible foreign sale. | ||
| Amphibious Cargo Ship | Stricken, to be disposed of. | ||
| Frigate | Stricken, possible foreign sale. | ||
| Salvage Ship | Inactive, out of service, in reserve | ||
| Frigate | Stricken, possible foreign sale. | ||
| Frigate | Stricken, to be disposed of. | ||
| oceanographic research ship | Stricken, to be disposed of. | ||
| Aircraft Carrier | Stricken, to be disposed of. | ||
| Frigate | Stricken, to be disposed of. | ||
| Frigate | Stricken, possible foreign sale. | ||
| Frigate | Stricken, possible foreign sale. | ||
| Amphibious Cargo Ship | Stricken, to be disposed of. | ||
| Fleet ocean tug | Stricken, to be disposed of. | ||
| Amphibious Transport Dock | Stricken, to be disposed of. | ||
| Frigate | Stricken, to be disposed of. | ||
| Frigate | Stricken, possible foreign sale. | ||
| Frigate | Stricken, to be disposed of. | ||
| Amphibious Transport Dock | Stricken, to be disposed of. | ||
| Frigate | Stricken, possible foreign sale. | ||
| Frigate | Stricken, to be disposed of. | ||
| Cruiser | Stricken, to be disposed of. | ||
| Frigate | Stricken, to be disposed of. | ||
| Cruiser | Stricken, to be disposed of. |
Bremerton, Washington
| Ship | Class | Type | Status |
| fast combat support ships | Inactive, out of service, in reserve. | ||
| Amphibious Transport Dock | Inactive, out of commission, in reserve. | ||
| Frigate | Stricken, to be sunk as target. | ||
| Frigate | Stricken, to be sunk as target. | ||
| fast combat support ships | Inactive, out of service, in reserve. | ||
| Aircraft Carrier | Stricken, to be disposed of via scrapping. | ||
| Frigate | Stricken, to be sunk as target. | ||
| Cruiser | Stricken, to be disposed of via scrapping. |
Pearl Harbor, Hawaii
| Ship | Class | Type | Status |
| Amphibious Transport Dock | Inactive, out of commission, in reserve. | ||
| Frigate | Stricken, to be sunk as target. | ||
| Amphibious Transport Dock | Inactive, out of commission, in reserve. | ||
| Amphibious Cargo Ship | Stricken, to be sunk as target. | ||
| Amphibious Transport Dock | Inactive, out of commission, in reserve. | ||
| Fleet ocean tug | Stricken. | ||
| Salvage Ship | Inactive, out of service, in reserve. | ||
| Amphibious Assault Ship | Inactive, out of commission, in reserve. | ||
| Tarawa | Amphibious Assault Ship | Inactive, out of commission, in reserve. | |
| Frigate | Stricken, to be sunk as target. |