 The bombers ' most notable success was Arizona . A bomb exploded near the forward magazines , triggering a catastrophic explosion which immediately sank the ship . The island 's freshwater supply was cut off when the Arizona severed the main water line and the auxiliary line was destroyed at the Pearl Harbor end . The Nevada , which eventually got underway while under attack , was hit repeatedly by dive bombers who spotted a ship escaping from Ford Island . So she would not sink between the island and the Navy Yard ( blocking the entire harbor ) , Nevada was run aground . 
