Columbia, Houston, UHF, Comcheck.

Columbia, Houston, Comcheck.

It's February 1st, 2003.

Seven astronauts are just minutes from home, hurtling through the atmosphere at 18 times the speed of sound.

G.C. Plight G.C. Block the doors. Copy.

But as the world watches the sky over Texas, the space shuttle Columbia isn't landing.

It's breaking apart.

The degree was seen falling from the skies above Texas.

The Columbia's lost.

On board was a crew of seven.

There are no survivors.

The tragedy was blamed on a mechanical failure, a piece of foam insulation striking

the wing during launch.

But the real failure happened a week before.

An engineer saw the damage and knew the risk.

He asked for satellite photos, but managers blocked him,

insisting there was no safety of flight issue. He even drafted an urgent alert to his superiors,

but in the end, he never sent it. It took over two years of grounded flights and an investigation for NASA to realize

the disaster wasn't just a flight failure, it was an organizational one, driven by a culture

that didn't encourage speaking up.

In this episode, we explore what happens when people feel safe enough to raise concerns,

and how creating the right working conditions can mean the difference between life and death.

...