While serving with Navy SEAL Team Ten in Afghanistan, Brad Snyder was blinded by a massive blast caused by an enemy improvised explosive device. Exactly one year later, he won a gold medal in swimming at the 2012 Paralympic Games. Here's his story of tenacity and courage.

Prologue : shadows of dawn -- The monsters of Weeki Wachee Springs -- To lead and to serve -- Annapolis -- The dark ages -- Two left shoes -- Hooyah America -- A cut above -- Inshallah -- The toll of war -- Shattered dream -- Under the influence -- Fields of fire -- Becoming a warrior -- The night Osama Bin Laden was killed -- Somewhere bright -- In between -- Tap, advance -- My country calls back -- A golden opportunity -- Alive day -- Fifty stars and thirteen stripes -- Afterword: the Delta.