Reuters The US Navy is filing negligent homicide charges against the commanders of two ships involved in fatal collisions. The charges against several lower-ranking officers follows a thorough review of evidence on what caused the collisions. WASHINGTON (AP) — The Navy says it is filing negligent homicide charges against the commanders of two ships involved in fatal collisions last year. The charges are to be presented at what the military calls an Article 32 hearing, which will determine whether the accused are court-martialed. The actions, including charges against several lower-ranking officers, were announced Tuesday by the Navy's chief spokesman, Capt.