NAV. OFFICERS are a group of officers in the Navy who have different roles and responsibilities. The COMS (Communications) Officer is responsible for managing the communication systems of the ship. The LTS (Lieutenants) Officer is responsible for leading the crew and ensuring that all orders are followed. The ADMS (Administrative) Officer is responsible for managing the administrative tasks of the ship. The CDRS (Commanders) Officer is responsible for commanding the ship and its crew. Finally, the CMDRS (Commanders) Officer is responsible for providing overall leadership and direction to the ship and its crew.