About Naval Weapons Station Seal Beach

Naval Weapons Station Seal Beach is the primary munitions installation for the U.S. Navy’s Pacific Fleet surface ships. It has an outstanding record of safety throughout its more than 70 years in operation.


Naval Weapons Station Seal Beach is the primary munitions installation for the Navy’s Pacific Fleet surface ships. It has an outstanding record of safety throughout its more than 70 years in operation and is a vital national asset. Its primary role is to store and maintain Navy and Marine Corps munitions and load and unload Navy ships and larger Coast Guard vessels with the munitions they need to conduct their missions.


Ships are loaded and unloaded in Anaheim Bay at the installation’s ammunition wharf, which was originally constructed during World War II and largely rebuilt in 1953. The wharf’s current condition, capacity, and configuration do not meet the Navy’s needs. Specifically, the current wharf has the following limitations:

Seal Beach Wharf
  • Built before the introduction of modern earthquake codes
  • Unable to support the loading of two medium-sized ships (such as DDGs) at the same time
  • Too small to dock larger ships such as helicopter carriers (LHD/LHA) 
  • Security and safety concerns due to adjacent civilian small boat traffic traversing Anaheim Bay and automobile traffic on Pacific Coast Highway

The Navy is expanding the overall size of the fleet and is moving more of its ships from the Atlantic Ocean to the Pacific Ocean. For these reasons, there will be an increase in the number of ships that Naval Weapons Station Seal Beach will be required to support. The next nearest major weapons station port is Indian Island, Washington, which is a 2,400-nautical-mile round trip from the fleet bases in San Diego.


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