`` We do rely on it for communication in high-risk areas like Iraq , Afghanistan , and other remote locations , '' he said . One Russian and one U.S. satellite collide at 10 km per second . Score: 7 NASA spokesman quoted as saying crash produced massive debris cloud . Wreckage from collision expected to burn up in the Earth 's atmosphere .
One Russian and one U.S. satellite collide at 10 km per second . Score: 7 NASA spokesman quoted as saying crash produced massive debris cloud . Wreckage from collision expected to burn up in the Earth 's atmosphere .