'The Shock Factor': What it Takes to Be a Marine Corps Sniper
A soldier watches through the scope of a PGM heavy sniper rifle, near the Forward Operating Base Tora, in Surobi province on January 21, 2011.
( JOEL SAGET/AFP / Getty )
( JOEL SAGET/AFP / Getty )
Produced by Mythili Rao and Arwa Gunja
