During his confirmation hearing in June , McChrystal told senators that the conflict requires a new focus on counterinsurgency to reduce violence and build support for the U.S.-led NATO alliance among Afghans . ` 650 Afghans troops , 650 American involved in Operation Khanjar . It focuses on Obama valley , hotbed of Operation Khanjar violence . Operation 's size and scope are `` very significant , '' official says .
650 Afghans troops , 650 American involved in Operation Khanjar . It focuses on Obama valley , hotbed of Operation Khanjar violence . Operation 's size and scope are `` very significant , '' official says .