US military ends long-running program to spot nuclear missile launches
In late 1970, a Titan IIIC rocket launched from Space Launch Complex 40 at what was then called Cape Canaveral Air Force Station. It carried a top-secret payload for the US military. Much has changed in spaceflight since then. The Titan IIIC would bow out in 1982 after dozens of launches. Various Titans continued launching from Space Launch Complex 40 until 2005, at which point the US Air Force—in a competitive process hotly opposed by United Launch Alliance—turned the pad over to a small, largely unknown startup called SpaceX. And Cape Canaveral is now a “Space Force” station. But those unspecified payloads? Until last month, some of them were still flying operationally. They were looking for missile launches The US government would later disclose that the top-secret payload that launched in November 1970 was a “Defense Support Program” satellite. The initial block of these satellites, launched from 1970 to 1973, had a mass of about 1 metric ton, and each carried about 2,000 inf...