EL SEGUNDO, Calif. A newly developed rocket designed to break into the orbital launch business with low-cost service is waiting on a Pacific atoll to make its maiden flight. The Falcon 1 had been scheduled for launch yesterday from a pad in the Marshall Islands but the launch was bumped back to 1 p-m today because of preparations for a missile defense test launch. The rocket's payload is a satellite for the Defense Advanced Research Projects Agency and the Air Force Academy. FalconSat-2 will measure space plasma phenomena, which can impair space-based communications. The Falcon 1 rocket is the first...