The headline is accurate and concise. Not just in the chronology, but the likely cause and effect. Note that Hickam may not himself have caused the firing, but

The headline is accurate and concise. Not just in the chronology, but the likely cause and effect. Note that Hickam may not himself have caused the firing, but someone at NASA likely saw the controversy (because people started dogpiling both Hickam and Naomi H and tagging @NASA) and made a decision based on it.