Marines from Marine Wing Support Squadron 371 other elements of 3rd Marine Aircraft Wing from Marine Corps Air Station Yuma, Ariz., continue to sift through the debris and inspect pieces of wreckage from the AV-8B Harrier II crash site during the cleanup process in Imperial, Calif., Monday. Marines on scene have performed their jobs very well, and most of the aircraft pieces have been recovered, said Miguel Colon Jr., the chief of police of the City of Imperial.