Germany's MT-Propeller has reported initial flight testing of the world's first nine-blade propeller. Initial results are described as very promising.
Arianespace successfully launched two communications satellites on 25th September in its sixth mission of the year and the 100th launch of Ariane 5.
Russian cosmonaut Fyodor Yurchikhin and NASA astronauts Jack Fischer and Peggy Whitson returned to Earth on 3rd September.