blue smoke trail behind plane
red smoke trail behind plane
four stunt planes with smoke trails
smoke trails are red and blue
sky is grey and overcast
Planes flying at an air show
Jets flying in formations
Red and blue smoke coming from the planes
Aircraft in the sky
Four jets in the sky at an airshow
Aircraft flying in the sky in formation
a line of blue smoke
a light dark blue sky 
the smoke is blue
nine red jets flying in formation in a blue sky