The anniversary of the Challenger disaster marks a cold reminder of risk and management failure along with the role weather played in the deadly flight.

A large section of the destroyed space shuttle Challenger has been found buried in sand at the bottom of the Atlantic.

A large section of the destroyed space shuttle Challenger has been found buried in sand at the bottom of the Atlantic.

January 28th is a Day of Remembrance honoring the lives of the crew and teacher aboard the Space Shuttle Challenger. This marks 35 years since the Challenger disaster. AdSpace Shuttle Columbia crew (NASA)Thursday, NASA will honor the crew of the Space Shuttle Columbia, which came apart upon entry to the atmosphere Feb. 1, 2003, killing all seven crew members. Rick Husband, pilot William McCool, payload commander Michael Anderson, and mission specialists Kalpana Chawla, David Brown, Laurel Clark and Ilan Ramon died. 1967: Astronauts (from left to right) Gus Grissom, Edward White and Roger Chaffee (NASA)Also being remembered are Gus Grissom, Edward White and Roger Chaffee, the crew members who perished in the Apollo I cabin fire.