 In addition to Battleship Row and the island 's naval field , the fixed moorings on the western side of Ford Island ( capable of securing battleships or aircraft carriers ) were high @-@ priority targets . Just west of the island , the seaplane tender Curtiss was hit by a crashing dive bomber , a bomb and fragments of another bomb . She was then unsuccessfully attacked by a Japanese midget submarine , which fired a torpedo before being sunk by the destroyer Monaghan . Hangar 6 and several patrol seaplanes and other aircraft on Ford Island ( 33 out of 70 of the island 's planes ) were destroyed . 
