He organized a force of horse soldiers known as the "Rough Riders."

VOA: special.2010.08.05

Sergeant First Class Orlando Jackson from Lake Charles, Louisiana -- 3rd Infantry Division, Falcon Brigade, Task Force Light Horse.

WHITEHOUSE: Remarks by the President at Commander-in-Chief Ball

"I participated in the race in good faith as it was to promote abilities across sport and I was totally unaware of any alleged excessive force being used on the horse, " said the 26-year-old.

CNN: 'Barbaric' whipping of horse in Pistorius race