Remove

1. Laurel B. Clark
2. February 1, 2003

What

1. Columbia (4)
2. Space Shuttle O … (4)

Where

1. Texas (4)
2. Washington, D.C … (2)

Who

1. Ilan Ramon (1)
2. Kalpana Chawla (1)
3. Rick D. Husband (1)
4. William C. McCo … (1)

When

1. 2003 (4)
2. February 2003 (4)