Yorktown 's group consisted of six fighters , 24 dive bombers , and nine torpedo planes and was on its way by 09 : 15 .
The U.S. carriers each launched a separate strike .
Yorktown 's group consisted of six fighters , 24 dive bombers , and nine torpedo planes and was on U.S. 's way by 09 : 15 .
The U.S. carriers each launched a separate strike .