 Main engines start, six engines up and running, and liftoff. And the first component of the International Space Station was launched. After 32 years and tens of thousands of trips around the Earth, the ISS will reach the end of its operational life in 2030. NASA has chosen SpaceX to develop and deploy a space tug to help deorbit the ISS in a fiery but controlled manner. Jim Ryan, ABC News. Today is National HIV Testing Day.