This week in Australian foreign affairs: Morrison off to DC; statements on 9/11; Payne and Dutton visit Indonesia, the Republic of Korea, and India; and more.

The absence of overt conflict in Antarctica does not mean cooperation is thriving. Missing the elements of coercion and mistaking cooperation for a static concept in the Antarctic means stakeholders are at risk of strategic complacency.

Leaders of the United States, Australia, and the United Kingdom have announced a new trilateral security pact. Their brief, though momentous, statements were notable more for what they did not say.