Steve wrote in message
m...

Forgive me for jumping into this debate WAY late in the game,
but what is the significance of this SRB crossing that John
Maxson is always talking about?

It means that the anomalous flare/plume was an effect,
rather than the cause, of the 51-L catastrophe.

--
John Thomas Maxson, Retired Engineer (Aerospace)
Author, The Betrayal of Mission 51-L (www.mission51l.com)