Holbrook 10 rounds, each for time, of: 5 thrusters 10 pull-ups 100-meter sprint Rest 1 minute between rounds. ♀ 75 lb ♂ 115 lb U.S. Army Capt. Jason Holbrook, 28, of Burnet, Texas, assigned to 1st Battalion, 3rd Special Forces Group (Airborne), based out of Fort Bragg, North Carolina, was killed on July 29, 2010, in Tsagay, Afghanistan, when insurgents attacked his vehicle with an improvised explosive device.