China and Russia may have played a role in helping Iran improve its ability to track and target U.S. warships, raising fresh questions about the technology behind Tehran’s anti-ship missile arsenal. Iran’s Qassem Basir and Khalij Fars missiles have drawn attention for their advanced guidance systems, including electro-optical seekers designed to identify targets. Could Chinese or Russian intelligence, satellite data, or targeting support have strengthened Iran’s ability to threaten American carriers and destroyers?