T3 or T-Cubed is the new BSA 3 part Train the Trainer continuum.
Part One is Fundamentals of Training, an introductory course for Youth & Adults looking to become involved in BSA Training
Part Two is The Trainer's EDGE, a more advanced course to hone the skills of Trainers, NYLT Staff and Wood Badge Staff members.
Part Three is The Master Trainer's Course at Philmont Training Center. This is the Premier BSA Trainer's Course. It is currently under development for projected roll out in 2013.