Test By alyshlyvghn Feb 8, 1942 Test event Period: Jul 7, 1943 to Nov 17, 1943 TIME SPAN US Marine-led forces win a drawn-out battle of attrition against the Japanese over this small island Jun 19, 1944 Test Event 2 The Battle of the Philippines Sea (June 19 – 20, 1944) The US destroys the Japanese Navy's ability to conduct large-scale carrier actions.