40 Years After Challenger: Ignored O‑Ring Warnings, Cultural Failures and Their Echoes for Today's NASA
On January 28, 1986, Challenger disintegrated 73 seconds after liftoff, killing seven crew members after engineers' warnings about cold‑related O‑ring failure were overlooked. The disaster exposed deep cultural and decision‑making flaws at NASA; reforms followed, but survivors and families say lessons must guide Artemis‑era safety.