Fig. 69: Flight aerobatics demonstration of the Swiss jet aerobatics squadron Patrouille Suisse. Formation "cross". The two outer jets are painting a heart into the sky using smoke trails. Swiss military airplane demonstration at Axalp. Nikon D200; Δt=1/1000 s; f=116 mm; f/4.8; ISO 200; 7 October 2009 15:08:38
