Special Ops: The New Go-To U.S. Military Policy?

U.S. Navy SEALs train members of the Brazilian Marine Corps Special Operations Battalion (Tonelero) in close quarters combat during a joint combined exchange training exercise in Brazil on May 2010.
( Chief Petty Officer Kathryn Whittenberger, U.S. Navy / Wikimedia Commons )

Produced by Tyler Adams

Produced by PRI and WNYC