Today or yesterday (depending on where you live) was the 80th anniversary of the Battle of the Phillipine Sea.
When the US landed in Saipan, the Japanese responded with a massive carrier attack (supported by aircraft from land bases), the first major Japanese carrier operation in a year and a half. Numerically, at least, this was the largest Japanese carrier force ever committed to battle and was faced by the largest and most powerful fleet ever put together in the history of warfare up to that point, America’s Fast Carrier Task Force.
Due to the sharp decline of Japanese pilot quality and a massive technological and numerical advantage from the American side, the Japanese 1st Mobile Fleet was dealt a giant defeat, losing 3 carriers and irreverisble numbers of aircraft for essentially no results.
The battle saw the combat debut of Admiral Jisaburo Ozawa, arguablly one of the best Japanese carrier commanders, in command of a major Japanese carrier force. Previously Ozawa commanded various fleets and formations containing carriers, but never the Kido Butai (or its successor, the 1st Mobile Fleet) in combat.