( CNN ) -- Two staff sergeants will be court-martialed for their involvement in an incident that included U.S. Marines urinating on dead Taliban fighters and posing for photographs with the corpses , the Marine Corps announced Monday . Staff Sgt . Joseph W. Chamblin and Staff Sgt . Edward W. Deptola were charged for the incident , which occurred in Helmand Province , Afghanistan , in late July 2011 , a news release from the Marine Corp stated . The incident did not come to light publicly until this past January when a 39-second video showing the incident was posted on several websites , including YouTube . The two Marines , who are based at Camp Lejeune , North Carolina , were also charged with dereliction of duty , failure to supervise junior Marines and failure to report the misconduct of those Marines . The statement did n't say when the trial is scheduled to take place . Three other Marines have been disciplined for their role in the incident . The three non-commissioned officers pleaded guilty in August to a variety of violations of Marine Corps regulations , a statement said at the time .
It took place in Afghanistan in September 2011 . Marines are also accused of failure to supervise junior officers . Three Marines already have been punished in the case .