Bogdan Cristel / Reuters
F-16 fighters of the Thunderbirds, the U.S. Air Force Air Demonstration Squadron performing during 'Constanta Air Show 2011' at Mihail Kogalniceanu airfield, near Constanta, Romania, Wednesday, June 8, 2011. The US Thunderbirds squadron performed their aerobatic formation and solo flying stunts for the second time in Romania.
Bogdan Cristel / Reuters
F-16 fighters of the Thunderbirds, the U.S. Air Force Air Demonstration Squadron, perform during a Romanian - U.S. airshow at Kogalniceanu airport near Bucharest, Wednesday, June 8, 2011.
Robert Ghement / EPA
F16 jets of the US Air Force Thunderbirds drawing a heart over the sky while perform during 'Constanta Air Show 2011' at Mihail Kogalniceanu airfield, near Constanta, Romania, Wednesday, June 8, 2011.
Robert Ghement / EPA
Two US Air Force Thunderbird F16 jets cross their trajectories while performing during 'Constanta Air Show 2011' at Mihail Kogalniceanu airfield, near Constanta, Romania, Wednesday, June 8, 2011. The US Thunderbirds squadron performed their aerobatic formation and solo flying stunts for the second time in Romania.