Remove

1. Earth
2. Russia
3. 31 March 1996

What

1. Space Shuttle O … (8)
2. Russian Mir Spa … (8)
3. Kvant 2 (1)

Where

1. Washington, D.C … (1)
2. Indian Ocean (1)

When

1. 1996 (8)
2. March 23, 1996 (4)
3. March 28, 1996 (3)
4. March 1996 (2)