What just happened? Shipbuilder Austal USA has delivered a ship to the US Navy that can operate for up to 30 days at sea without human intervention. The Spearhead-class Expeditionary Fast Transport ships, designed by Austal Australia, already feature automated hull and mechanical & electrical systems, but the Austal USA team added automated maintenance, health monitoring, and mission readiness to EPF 13, allowing it to operate autonomously for up to 30 days. "Gilday has a strategic vision of a fleet compromising 373 manned ships and 150 uncrewed vessels, along with unmanned aircraft to contribute to maritime domain awareness, submarine-hunting missions, surface strikes, and more, writes Defence News