KIGALI, Rwanda - 17th Air Force vice commander Brigadier General Mike Callan listens to input from members of Rwanda’s Civil Aviation Administration as they assess the state of air traffic control capability in the country at the Kigali International Airport control tower March 25, 2009. Callan’s visit to Rwanda and Ethiopia was aimed at gathering information on how Air Force Africa, the air component for U.S. Africa Command, can assist those nations in the areas of air domain safety and security. (U.S. Air Force Photo by Master Sergeant Jim Fisher)