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Paper on the differences between the 2006 version and the 2014 version.

http://web.isanet.org/Web/Conferences/ISSS%20Austin%202014/Archive/274823a3-32e3-48ff-bf68-f8cb4079f07b.pdf

I saw this article and thought it was pretty interesting because I think it picks up what is the strength of the new FM 3-24.
...

You can now access it with the public link. Everyone should be able to get to it by clicking the second link and finding it on the list.

The document is published. It is available now at
https://armypubs.us.army.mil/doctrine/index.html . That is an internal
site, but it will populate to the external site...