Review the Level I and Level II manuals, and be able to demonstrate any/all of the Drills and Skills. You also should begin reviewing the Level III materials.
For additional preparation, please be familiar with these books:
Outliers, by Gladwell
Talent Is Overrated, by Colvin
The Talent Code, by Coyle
I have created a Dropbox folder of resources for the level III as well.
This link is private, for students of the level three only. Please do not repost this content to youtube or anywhere else - some is by specific permission to me by the authors and I don't wish to violate their agreements.
There will be more to follow, including the elements I and Lindsey are learning right now here at the OTC from Kisik, Guy Krueger, and other USOC specialists. Prepare, Prepare, Prepare....