![Click on Image to Enlarge](http://phibetaiota.net/wp-content/uploads/2014/04/EE-21-Four-Levels-Mil-Civ-Geo-Mission-Areas-300x225.jpg)
Updated EE21 graphic for Robert David Steele, “Peace from Above: Envisioning the Future of UN Air Power,” in Walter Dorn (ed.), Airpower in UN Operations: Wings for Peace (Ashgate, 2014)
See Also:
1990 Expeditionary Environment Analytic Model
1976-2013: Analytic, Methodological, & Technical Models 2.1