Yemen is also one of the world’s worst terrorist havens. In addition to having an Islamic State presence, Yemen is headquarters for al-Qaeda in the Arabian Peninsula, which is widely viewed as al-Qaeda’s most dangerous affiliate. Further, the civil war has provided Iran an opportunity to extend its malign activities in the Middle East, threatening the United States, our partners and our regional interests.

The ongoing civil war is exacerbating the humanitarian crisis and terrorist threat. A major contributor to the devastation and chaos is the indiscriminate bombing campaign led by a coalition made up of Saudi Arabia and the United Arab Emirates, which receives refueling, intelligence and targeting support from the United States.

Last month alone, Saudi-led coalition airstrikes killed dozens of children in two separate incidents. The possibility that U.S. munitions might have been used in the strikes has only heightened the sense of urgency to end these attacks on civilians.