Australia’s ambassador to America, Arthur Sinodinos, has told a U.S. think tank that joining the AUKUS alliance was about projecting power towards the north and shaping the Indo-Pacific security environment. Under the communist regime, China’s expansion has changed the power equation in the Indo-Pacific and is challenging what is termed as the rules-based global order, Sinodinos said. “The challenge is, we’ve had a rules-based order, which has sort of underwritten the peace and prosperity … of the region for the last 70 years,” the Australian diplomat told the Hudson Institute. “So the question’s always been, as new powers rise up, how do we make sure that they are all part of a global rules-based order?” Sinodinos said Australia fought alongside America and their allies in the world wars for their shared values, which he said were reflected in the current “global order.” “So this is really about saying that as circumstances …