How did Iran manage to hit an American F-35 stealth fighter. Well, in modern warfare, there are primarily two kinds of anti-aircraft missiles: radar-guided and heat-seeking. The F-35 was designed to be practically invisible to long-range radar, but it wasn’t built to completely hide from heat-seeking missiles. So How exactly did Iran Missile manage to bypass the stealth technology of the US F-35

Source: How an F – 35 Got Hit by Iranian Missile in Operation Epic Fury