<p><br /> The US military has launched a secret satellite from an Air Force base in California.<br /> </p><p><br /> An Atlas V rocket lit up the night sky as it ascended from a launch pad at Vandenberg Air Force Base.<br /> </p><p><br /> The rocket was carrying a "national security payload" for the US National Reconnaissance Office (NRO), an Air Force statement said.<br /> </p><p><br /> The NRO oversees technical operations related to US spy satellites.<br /> </p><p><br /> No details about the satellite's orbit or capabilities were released.<br /> </p><p><br /> The take-off was the second of three launches the base has scheduled for September, the Air Force said.<br /> </p>
