War on the Rocks – Leading Northeast Asia security analyst Ian Easton argues that March through May is one of two ideal windows of meteorological opportunity for cross-strait amphibious operations, with the other occurring in September and October. For the U.S. joint force, the spring campaigning season in the Indo-Pacific is thus essential for strengthening regional partnerships, increasing multinational lethality, and instilling doubt in Chinese leaders’ minds about whether they could successfully invade Taiwan.