President Reagan on the Challenger crew: "A nation, too, will feel the loss of her seven sons and daughters, her seven good friends.

More than $2.4 billion was spent on modifying the shuttle and its rockets after the accident that killed all seven members of the Challenger crew.

The Challenger crew were our husbands, wife, brothers, sisters, mother, fathers, daughters, and sons . . ..

The Challenger crew was pulling us into the future, and we'll continue to follow them.

She earned $54,004 a year and was the only unmarried member of the Challenger crew.

He touched a plaque bearing the names and a picture of the Challenger crew.

If they were alive and could speak to all Americans," the letter said, "we believe the Challenger crew would say this: 'Do not fear risk.

Such a system would not have saved the Challenger crew.

Two months after the shuttle accident, seven asteroids were named for the Challenger crew.

"How can the Challenger crew possibly cope with such a force?"