Yemeni militiamen stand guard at the port in Mukalla, on the southern coast of Yemen. Many factions are involved in Yemen’s civil war. The U.S. has supported Saudi Arabia, which has waged a bombing campaign against Houthi rebels. But the U.S. Congress is putting pressure on the Trump administration to end its support of a war that’s widely seen as a stalemate and a humanitarian disaster.

Yemeni militiamen stand guard at the port in Mukalla, on the southern coast of Yemen. Many factions are involved in Yemen’s civil war. The U.S. has supported Saudi Arabia, which has waged a bombing campaign against Houthi rebels. But the U.S. Congress is putting pressure on the Trump administration to end its support of a war that’s widely seen as a stalemate and a humanitarian disaster.