Melissa Stockwell on competing in the Tokyo Paralympics and the "greatest moment" of her life

Melissa Stockwell is returning to represent Team USA, competing in the Paratriathlon in the Tokyo Paralympics this Friday. 

Her journey began 17 years ago.  Stockwell was a second lieutenant in the U.S. Army's Transportation Corps when she deployed to Iraq in March of 2004. Three weeks later, within seconds, the entire trajectory of her life changed.