two airplanes flying in the sky with smoke trailing behind them two airplanes flying in the sky with smoke coming from them two airplanes flying in the sky with smoke trailing behind them two airplanes flying in the sky with smoke coming from them two airplanes flying in the sky with smoke trailing behind them two airplanes flying in the sky with smoke trailing behind them two airplanes flying in the sky with smoke trailing behind them two airplanes flying in the sky with smoke trailing behind them two airplanes flying in the sky with smoke trailing behind them two airplanes flying in the sky with smoke trailing behind them two airplanes flying in the sky with smoke trailing behind them two airplanes flying in the sky with smoke trailing behind them two airplanes flying in the sky with smoke trailing behind them two airplanes flying in the sky with smoke trailing behind them two airplanes flying in the sky with smoke coming from them two airplanes flying in the sky with smoke trailing behind them two airplanes flying in the sky with smoke coming from them two airplanes flying in the sky with smoke coming from them two airplanes flying in the sky with smoke coming from them two airplanes flying in the sky with smoke trailing behind them two airplanes flying in the sky with smoke trailing behind them two airplanes flying in the sky with smoke trailing behind them two airplanes flying in the sky with smoke trailing behind them two airplanes flying in the sky with smoke trailing behind them two airplanes flying in the sky with smoke coming from them two airplanes flying in the sky with smoke coming from them two airplanes flying in the sky with smoke trailing behind them two airplanes flying in the sky with smoke coming from them two airplanes flying in the sky with smoke trailing behind them two airplanes flying in the sky with smoke trailing behind them
Two airplanes flying in tandem leave a smoky contrail in the sky. Two airplanes leave a trail of smoke as they ascend upwards.  Two planes fly in formation in a partly cloudy sky. Two small planes are flying upward with a trail of smoke behind it.  Two airplanes making "loop" formations in the sky during an air show. 