PZL TS-11

Armed Forces Day...epa03825628 Polish Air Force's PZL TS-11 Iskra aircraft perform a formation fly-over during a military parade within the celebrations of the Polish Armed Forces Day, in Warsaw, Poland, 15 August 2013. The Armed Forces Day is in remembrance of a victorious battle of Polish troops against the Red Army in 1920.  EPA/Radek Pietruszka POLAND OUT

Radek Pietruszka/EPA

Polish Air Force’s PZL TS-11 Iskra aircraft perform a formation fly-over during a military parade as part of the celebrations of the Polish Armed Forces Day, in Warsaw, Poland. The Armed Forces Day is in remembrance of a victorious battle of Polish troops against the Red Army in 1920