Russian Angara rockets that use environmental friendly propellants are on display during the Moscow International Air Show (MAKS) in Zhukovsky outside Moscow, August 18, 2009. Labeled as "a demonstration of the advantages and development trends of Russian science and industry in such high-tech areas as aviation, space, missile engineering," many Russian astronautical corporations showcased their brand-new space equipment and technology in this air show. [Xinhua] |