 Nagato spent most of the first two years of the war training in home waters . She was transferred to Truk in mid @-@ 1943 , but did not see any combat until the Battle of the Philippine Sea in mid @-@ 1944 when she was attacked by American aircraft . Nagato did not fire her main armament against enemy vessels until the Battle of Leyte Gulf in October 1944 . She was lightly damaged during the battle and returned to Japan the following month for repairs . The IJN was running out of fuel by this time and decided not to fully repair her . Nagato was converted into a floating anti @-@ aircraft platform and assigned to coastal defense duties . After the war , the ship was a target for U.S. nuclear weapon tests during Operation Crossroads in mid @-@ 1946 . She survived the first test with little damage , but was sunk by the second test . 
