The destruction of the Sims, heavy damage to the Yorktown, and the sinking of the Lexington meant a tactical victory for the Japanese; but the halt of the advance on Port Moresby made it a strategic victory for the U.S.  Notable for ending Japanese expansion southward and for being fought entirely by aircraft, FTP, name this naval battle of May 7 and 8, 1942.
It was precipitated by the taking of Tulaghi and the movement of a second force towards Louisiade.  "Scratch one flattop!" became one of the most famous radio calls of World War II after this battle, when it was uttered upon the sinking of the Shoho.  The destruction of the Sims, heavy damage to the Yorktown, and the sinking of the Lexington meant a tactical victory for the Japanese; but the halt of the advance on Port Moresby made it a strategic victory for the U.S.  Notable for ending Japanese expansion southward and for being fought entirely by aircraft, FTP, name this naval battle of May 7 and 8, 1942.
It was precipitated by the taking of Tulaghi and the movement of a second force towards Louisiade.  
Battle of the Coral Sea