We do this type of training for FREE in Severna Park, MD under the HeroesofTomorrow.org program. See more at that site and at StewSmith.com for more articles / workouts to prepare for any training that requires a fitness test.

From my website article:

After researching the TRX when the National Strength and Conditioning Association endorsed the device and its programs, it was clear to see why professional athletes like LaDainian Tomlinson of the Chargers, and Mixed Martial Arts Champions like Bas Rutten, military special ops teams, military boot camp, SWAT teams, and other law enforcement agencies are using the Suspension Training TRX.

Related article: TRX — The Science of Suspension Training