PRETORIA, South Africa -- Col. Mark Loeben, right, 404th Air Expeditionary Group commander, U.S. Air Forces Africa, and Maj. Bob Baltzer, International Health Specialist and Flight Surgeon for the U.S. Air Forces assigned to the South African Air Show, look on as a South African air forces Gripen conducts a fly-by during the 2011 Air show & Lifestyle Expo practice at Waterkloof Air Force Base, Sept. 29, 2011. More than 90 U.S. Air Force active-duty, Reserve and National Guard members converged in Pretoria, South Africa for this year’s annual air show. (U.S. Air Force photo/Tech. Sgt. Todd Wivell)