Russia's war against Ukraine has spurred closer cooperation between Euro-Atlantic and Indo-Pacific states and organizations, particularly Australia and NATO, signaling a deepening of ties that could have long-term benefits for global security. Over the long term, writes security expert Gorana Grgić, such alignment is crucial for signaling to potential aggressors that global coalitions are prepared to respond. This report analyzes Australia's response in order to examine Canberra's strategic thinking with respect to cross-theater cooperation, and it offers recommendations for US, NATO, and Australian policymakers.