An F-22 Raptor arrives on Charleston AFB for the 2008 "Wings Over Charleston" Air Expo April 24. The biennial expo hosted by the 437th Airlift Wing will allow Americans the opportunity to meet and greet Airmen and view civilian and military aircraft. (U.S. Air Force Photo/Senior Airman Nicholas Pilch)

A F-22 Raptor flown by Capt. Chris Bergtholdt arrives on Charleston AFB for the 2008 "Wings Over Charleston" Air Expo April 24. The biennial expo hosted by the 437th Airlift Wing will allow Americans the opportunity to meet and greet Airmen and view civilian and military aircraft. Captain Bergtholdt is a pilot from the 94th Fighter Squadron from Langley AFB, Va. (U.S. Air Force Photo/Senior Airman Nicholas Pilch)

A F-15 Strike Eagle arrives on Charleston AFB for the 2008 "Wings Over Charleston" Air Expo April 24. The biennial expo hosted by the 437th Airlift Wing will allow Americans the opportunity to meet and greet Airmen and view civilian and military aircraft. (U.S. Air Force Photo/Senior Airman Nicholas Pilch)

A F-15 Strike Eagle crew chief signals the pilot of the F-15E after he arrives on Charleston AFB for the 2008 "Wings Over Charleston" Air Expo April 24. The biennial expo hosted by the 437th Airlift Wing will allow Americans the opportunity to meet and greet Airmen and view civilian and military aircraft. (U.S. Air Force Photo/Senior Airman Nicholas Pilch)

A F-15 Strike Eagle arrives on Charleston AFB for the 2008 "Wings Over Charleston" Air Expo April 24. The biennial expo hosted by the 437th Airlift Wing will allow Americans the opportunity to meet and greet Airmen and view civilian and military aircraft. (U.S. Air Force Photo/Senior Airman Nicholas Pilch)