What's the graphic mean? That X seconds after launch, you'll be able -- Late 80s Hokie 05/10/2021 07:42AM
I think it shows how soon after launch the barium cloud... -- MP4VT2004 05/10/2021 09:37AM
The Great Barium Enema Cloud from Uncle Sam! ** -- PhotoHokieNC 05/10/2021 10:32AM
No clue. Have been trying to pin that down for a week but NASA -- PhotoHokieNC 05/10/2021 07:46AM