2009 NASA Videographer of the Year (Production)

[zyxwvutsrqponmlkh]

I was there during the test fire, it was quite an experience.

[kurnano]

1:36 these white plastic tubes - what are they for?

[JamesBilbrey]

@kurnano  They are cups and as the pie shaped segments were pressed down on the full segment, the excess solid propellant oozed up into the cups for easy removal.