The Canadian Encyclopedia — neutral, cited, updated
July 26, 2026Sources cited
Canadianwire.
Canada’s encyclopedia & explainer
HomePolitics & WorldMilitaryUSS Missouri (BB-63)
Politics & World • Military

USS Missouri (BB-63)

USS Missouri (BB-63) is an Iowa-class battleship of the United States Navy, completed in 1944 and now preserved as a museum ship.

By Ethan Anderson| Reviewed by Olivia Bennett, Standards & Fact-Checking Lead| Updated July 26, 2026|2 min read| Fact-checked

USS Missouri (BB-63) is an Iowa-class battleship of the United States Navy, completed in 1944 and now preserved as a museum ship. It is best known as the site of Japan’s formal surrender in 1945, which ended World War II. Canadian service members and naval historians recognize the ship for this event, which affected Canada’s wartime history and postwar memory.

Design and construction

USS Missouri was built at the New York Navy Yard, laid down in 1941, launched in 1944, and commissioned later that year. It was the fourth and final Iowa-class battleship completed for the U.S. Navy.

World War II service

Missouri operated in the Pacific Theater, including support for the Iwo Jima invasion and bombardment of Okinawa and Japanese mainland targets. Its deck hosted the surrender ceremony that formally ended the war.

Postwar service

After World War II, Missouri returned to service for later conflicts, including the Korean War and the Gulf War. It remained one of the most famous U.S. battleships because of both its combat record and surrender role.

Museum ship

Missouri was decommissioned on 31 March 1992 and later donated as a museum and memorial ship in 1998. It is now displayed at Pearl Harbor near the USS Arizona Memorial.

Key facts

  • USS Missouri was the last battleship commissioned by the United States Navy.
  • The ship served in the Pacific Theater during World War II and supported operations at Iwo Jima and Okinawa.
  • Japan’s Instrument of Surrender was signed aboard Missouri on 2 September 1945.
  • Missouri later served in the Korean War and the Gulf War.
  • Missouri was donated as a museum and memorial ship in 1998 and is preserved at Pearl Harbor.
🍁
Canadian context

Canadian service members and naval historians recognize USS Missouri as the ship where the Japanese surrender was signed, an event that marked the end of the Pacific War and affected Canada’s wartime history and postwar memory.

Frequently asked questions

What is USS Missouri (BB-63)?
It is an Iowa-class battleship of the U.S. Navy, built in the 1940s and now preserved as a museum ship.
Why is USS Missouri famous?
It is famous because Japan’s formal surrender was signed aboard the ship on 2 September 1945, ending World War II.
When was USS Missouri commissioned?
It was commissioned on 11 June 1944.
What wars did USS Missouri serve in?
It served in World War II, the Korean War, and the Gulf War.
Where is USS Missouri now?
It is preserved as a museum and memorial ship at Pearl Harbor in Hawaii.

References

  1. Wikipediahttps://en.wikipedia.org/wiki/USS_Missouri_(BB-63)
    Supports: General overview, World War II service, museum ship status, surrender ceremony
  2. Naval History and Heritage Commandhttps://www.history.navy.mil/browse-by-topic/ships/modern-ships/uss-missouri.html
    Supports: Construction dates, surrender ceremony, battle stars, museum ship donation
  3. WW2DBhttps://ww2db.com/ship_spec.php?ship_id=7
    Supports: Builder, dimensions, order/launch/commission dates, decommission date
  4. Battleship Missouri Memorialhttps://ussmissouri.org/images/Battleship-Missouri-Memorial-Fact-Sheet-2025.pdf
    Supports: Current museum ship details, dimensions, armament, Pearl Harbor location