Yorktown 's dive bombers , led by William O. Burch , reached the Japanese carriers at 10 : 32 , and paused to allow the slower torpedo squadron to arrive .
Japanese could conduct a simultaneous attack .
Yorktown 's dive bombers , led by William O. Burch , reached the Japanese carriers at 10 : 32 , and paused to allow the slower torpedo squadron to arrive so that they could conduct a simultaneous attack .