 NATO forces believed it to be a Taliban stronghold.It was previously assaulted in the Battle of Panjwaii during the summer of 2006, but Taliban forces quickly re-asserted their presence after the operation ended.Operation Medusa involved most of the Canadian Forces' combat troops in Afghanistan, which provided the bulk of the force there, including troops from 1st Battalion, The Royal Canadian Regiment Battle Group as well various company-sized formations from the US Army (Special Operations Forces; Alpha Company 2nd Battalion 4th Infantry Regt; 4th BCT 10th MTN DIV; and members of the Oregon National Guard).