Direct from the TRX website itself
"Now available to civilian sports and fitness markets, this intense 3-month training regimen is truly one-of-a-kind. The guide presents an integrated program of functional strength and cardio vascular training that begins at a modestly demanding level and progresses aggressively across 12-weeks.
Fans of Crossfit, GymJones and other intense performance training programs hang onto your hats! You'll love what you find here.
Developed specifically to prepare Navy SEAL recruits for the demanding BUD/S selection and training course, this progressive program will get you into the best shape of your life and increase performance in every sport.
The 30-page ruggedized format is built to withstand the demands of military deployments in adverse environments, and to fully support the training needs of elite athletes in uniform and out."