question: What was the name of the last U.S. commissioned battleship that was shown in a 1945 World War ll documentary?
answer: the USS "Missouri"
context: Title: USS Midway (CV-41)
  Passage: USS "Midway" (CVB/CVA/CV-41) was an aircraft carrier of the United States Navy, the lead ship of her class.  Commissioned a week after the end of World War II, "Midway" was the largest ship in the world until 1955, as well as the first U.S. aircraft carrier too big to transit the Panama Canal.  A revolutionary hull design, based on the planned "Montana"-class battleship , gave her enhanced protection compared to previous carriers.  She operated for 47 years, during which time she saw action in the Vietnam War and served as the Persian Gulf flagship in 1991's Operation Desert Storm.  Decommissioned in 1992, she is now a museum ship at the USS "Midway" Museum, in San Diego, California, and the only remaining U.S. aircraft carrier commissioned right after World War II ended that was not an "Essex"-class aircraft carrier .
  Title: USS Missouri (BB-63)
  Passage: USS "Missouri" (BB-63) ("Mighty Mo" or "Big Mo") is a United States Navy "Iowa"-class battleship and was the third ship of the U.S. Navy to be named after the U.S. state of Missouri.  "Missouri" was the last battleship commissioned by the United States and is best remembered as the site of the surrender of the Empire of Japan which ended World War II.
  Title: Appointment in Tokyo
  Passage: Appointment in Tokyo is a 1945 documentary released Produced by the Army Pictorial Service, Signal Corps, with the cooperation of the Army Air Forces and the United States Navy, and released by Warner Bros. for the War Activities Committee shortly after the surrender of Japan.  It mainly follows General Douglas MacArthur and his men from their exile from the Philippines in early 1942, through the signing of the instrument of surrender on the USS "Missouri" on September 1, 1945.
citations: USS Missouri (BB-63) Appointment in Tokyo