Vessels are increasingly being abandoned during the war on Iran, revealing a hidden failure in the global systems that keep goods—and people—moving.

First heard as US and Israeli strikes on Iran began, the shortwave broadcast has since been traced to a US military base in Germany—but its purpose and its operator remain unclear.

As Israeli airstrikes hit Tehran this morning, Iranians received mysterious push notifications saying that “help is on the way,” promising amnesty if they surrender.