The Challenger shuttle blew up and killed its astronauts because sensors weren't installed on the solid fuel boosters.

Another example came on Jan. 28, 1986, the day the Challenger shuttle exploded.

A launch of the Challenger shuttle was set, but the night was cold.

In 1986, a rubber seal failed and the Challenger shuttle exploded 73 seconds after take-off, right in front of the world's eyes.

The mission was originally scheduled for 1986 but was delayed after the Challenger shuttle exploded on liftoff.

Together, the satellites and the rocket cost at least $1 billion, making Monday's explosion the most costly space accident in monetary terms since the 1986 Challenger shuttle disaster.

After the Challenger shuttle exploded in 1986, Aerojet suggested a new way to design the solid fuel boosters and began trying to win a new contract.

The companies were nearing an agreement to become partners in building the facility when the Challenger shuttle exploded early in 1986.

She is the only member of the board investigating the Columbia accident who had a similar advisory role after the Challenger shuttle was destroyed in 1986.

To the shocked country, Mr. Bush's role today recalled that played by President Ronald Reagan on the day the Challenger shuttle exploded in 1986.