Battle of the Philippine Sea was a serious defeat of the Japanese Navy, which lost three aircraft carriers and has lost more than 90% of the deck aircraft with crew. Americans losses in ships had. After the defeat of the outcome of the battle for Mariana (and Caroline) Island was a foregone conclusion. 21 July 54 th. paratroopers landed on Guam, which is within the previous two weeks, subjected to extremely intense air raids. Nevertheless, it took 10 days to break the organized resistance to the Japanese, the remains of which were kept for several more weeks. July 23 Two US Marine Division landed on the island of Tinian and captured it during the week.