6/23/2011 - LATVIA, Northern Europe – One of the U.S Air Force Thunderbirds, a F-16 Fighting Falcon, approaches a 100th Air Refueling Wing KC-135 Stratotanker June 22, 2011. Once close enough to the KC-135, the Thunderbird connects to the boom to be refueled. (U.S. Air Force photo/Senior Airman Ethan Morgan)

6/23/2011 - LATVIA, Northern Europe – One of the U.S Air Force Thunderbirds, a F-16 Fighting Falcon, gets refueled by a 100th Air Refueling Wing KC-135 Stratotanker June 22, 2011. The Thunderbirds were supported by the 100th ARW during their air show performance in Latvia. (U.S. Air Force photo/Senior Airman Ethan Morgan)

6/23/2011 - LATVIA, Northern Europe – Senior Master Sgt. Paul Wallace, 351st Air Refueling Squadron boom operator, connects the boom of a 100th Air Refueling Wing KC-135 Stratotanker to one of the U.S Air Force Thunderbirds, a F-16 Fighting Falcon, June 22, 2011. Sergeant Wallace is responsible for guiding in each plane and ensuring that they are refueled as safely and quickly as possible. (U.S. Air Force photo/Senior Airman Ethan Morgan)

6/23/2011 - LATVIA, Northern Europe – One of the U.S Air Force Thunderbirds, a F-16 Fighting Falcon, pulls away from a 100th Air Refueling Wing KC-135 Stratotanker after being refueled June 22, 2011. The Thunderbirds were refueled three times during their air show performance in Latvia. (U.S. Air Force photo/Senior Airman Ethan Morgan)

6/23/2011 - LATVIA, Northern Europe – One of the U.S Air Force Thunderbirds, a F-16 Fighting Falcon, receives gas from a 100th Air Refueling Wing KC-135 Stratotanker June 22, 2011. A total of six Thunderbirds were refueled during their air show performance in Latvia. (U.S. Air Force photo/Senior Airman Ethan Morgan)

6/23/2011 - LATVIA, Northern Europe – One of the U.S Air Force Thunderbirds, a F-16 Fighting Falcon, breaks away from a 100th Air Refueling Wing KC-135 Stratotanker after being refueled June 22, 2011. All six Thunderbirds were refueled three times during their air show performance in Latvia. (U.S. Air Force photo/Senior Airman Ethan Morgan)

6/23/2011 - LATVIA, Northern Europe – One of the U.S Air Force Thunderbirds, a F-16 Fighting Falcon, flies into position to be refueled by a 100th Air Refueling Wing KC-135 Stratotanker June 22, 2011. The Thunderbirds received refueling support from the 100th ARW during their air show performance in Latvia. (U.S. Air Force photo/Senior Airman Ethan Morgan)

6/23/2011 - LATVIA, Northern Europe – One of the U.S Air Force Thunderbirds, a F-16 Fighting Falcon, flies out of position of a 100th Air Refueling Wing KC-135 Stratotanker after being refueled June 22, 2011. The Thunderbirds were refueled so that they could continue their air show performance in Latvia. (U.S. Air Force photo/Senior Airman Ethan Morgan)

6/23/2011 - LATVIA, Northern Europe – The U.S Air Force Thunderbirds, F-16 Fighting Falcons, fly in formation behind a 100th Air Refueling Wing KC-135 Stratotanker after being refueled June 22, 2011. The Thunderbirds flew in their final formation after their air show performance in Latvia. (U.S. Air Force photo/Senior Airman Ethan Morgan)

6/23/2011 - LATVIA, Northern Europe – The U.S Air Force Thunderbirds, F-16 Fighting Falcons, fly in formation behind a 100th Air Refueling Wing KC-135 Stratotanker after being refueled June 22, 2011. The Thunderbirds flew in one final formation to show their thanks for the support given to them by the 100th ARW during their air show performance in Latvia. (U.S. Air Force photo/Senior Airman Ethan Morgan)