The U.S. embassy in Beijing could be evacuating as the virus surges in the city. Concerns over Beijing locking down have U.S. personnel worried, but the Chinese state media calls it a “plot” by the United States. I spoke with a senior aviation analyst about the arms war and exports—the Russia-U.S.-China export of their fifth generation fighters. We discuss how geopolitics affects who they can sell to—and in particular, as the U.S.–China relationship worsens, what’s at stake?