Air Force Lt. Col. Derek Routt, “Thunderbird No. 7,” looks across the flight line on Andrews Air Force Base, Md., May 14, 2009, before an upcoming air show. Routt is a Nevada Air National Guard member in his first season as operations officer for the U.S. Air Force Air Demonstration Squadron “Thunderbirds.” U.S. Air Force photo by Master Sgt. Mike R. Smith Air Force Lt. Col. Derek Routt, “Thunderbird No. 7,” looks across the flight line on Andrews Air Force Base, Md., May 14, 2009, before an upcoming air show. Routt is a Nevada Air National Guard member in his first season as operations officer for the U.S. Air Force Air Demonstration Squadron “Thunderbirds.” U.S. Air Force photo by Master Sgt. Mike R. Smith SHARE: Download: Full Size (0.51 MB) Credit: VIRIN: 348997-N-SIM61-291.jpg Photo Gallery