“This day has brought terrible news and great sadness to our country.” With those words, a solemn and obviously emotional President George W. Bush spoke to the American people Saturday following the loss of the seven-member crew of astronauts on board the space shuttle Columbia.

NASA’s oldest flying orbiter in the 22-year shuttle program, Columbia, broke up and disintegrated over central Texas as its descended to a landing minutes away at Cape Canaveral, Fla.