While Benjamin Netanyahu rushes to Washington to press Donald Trump on crushing Iran’s missile program and regional proxies, a very different signal just flashed over Tehran. At an Air Force Day ceremony, China’s military attaché handed Iran’s air chief a gleaming model of the J‑20 “Mighty Dragon” stealth fighter, days after video of a Russian Mi‑28 gunship over the capital stirred speculation of new combat aircraft deliveries. With reports of covert Y‑20 airlifts and a 25‑year defense pact in the background, is an emerging China–Russia shield forming over Khamenei just as Israel pushes for a showdown?