The launch of Apollo 1 was slated for February 21st, 1967, ... All three astronauts entered the module in fully pressurized space suits, ... where they found the bodies burned alive inside.

The fire burned through White’s restraints, ... wearing space suits sealed within the pressurized module as it ran on its own module. ... were all redesigned in the aftermath of Apollo 1.

On Jan. 27, 1967, three astronauts were killed when a fire broke out in their Apollo 1 cockpit during a test on the launchpad. The capsule will be put on public view for the first time Friday.