The attack on Pearl Harbor was a complete surprise. Even after prior sightings of strange movement in the fleet, military personnel failed to conclude that a surprise attack might occur. By 8:00 am, Battleships were destroyed and heavy smoke filled the air. The Japanese attacked twice, the first was for aircraft and the second wave attack was for battleships and ship facilities. At 8:10 am, 1,800-pound bomb smashed through the deck of the battleship USS Arizona, causing the battleship USS Arizona to explode. The Japanese planes were approaching from a direction very close to the bombers, and while the operators had never seen such a large formation on radar. In the first attack, thirteen of the forty torpedoes hit battleships, and four torpedoes
