Navy Fact File
- Includes aircraft description, features, background and general characteristics.
- http://www.navy.mil/navydata/fact_display.asp?cid=1100&tid=1000&ct=1

Intelligence Collection Systems
- Variants, description, specifications, crew, pictures, operating units.
- http://www.globalsecurity.org/intell/systems/ep-3.htm

How Stuff Works - "How a U.S. Spy Plane Works"
- Describes the workings of the EP-3E Aries and her crew.
- http://www.howstuffworks.com/spy-plane.htm

Federation of American Scientists
- Intelligence Resource Program aircraft description and pictures.
- http://www.fas.org/irp/program/collect/ep-3_aries.htm