It is also the first big move since U.S. Gen. Stanley McChrystal took over as the allied commander in Afghanistan in mid-June . One soldier killed , others wounded ; total : 33 soldiers killed . 4,000 American troops , hundreds of Afghans involved in Operation Khanjar . It focuses on Helmand River valley , hotbed of Taliban activity . Operation 's size and scope are ` ` very significant , '' official says .
One soldier killed , others wounded ; total : 33 soldiers killed . 4,000 American troops , hundreds of Afghans involved in Operation Khanjar . It focuses on Helmand River valley , hotbed of Taliban activity . Operation 's size and scope are ` ` very significant , '' official says .