Responsible for safely and effectively directing aircraft operating from airfields or the flight decks of aircraft carriers. Provide air traffic control services in air traffic control towers, radar air traffic control facilities, fleet area control and surveillance facilities, and air operations offices ashore and afloat. Operate radio communication systems and light signals, direct aircraft under Visual Flight Rules (VFR) and Instrument Flight Rules (IFR). Operate surveillance radar, precision radar, data link approach systems, Identification Friend or Foe (IFF) equipment and other air traffic control equipment. Respond to emergency air traffic situations. Maintain current flight planning information and reference material, and assist pilots in the preparation and processing of flight plans.