b'Later this month, a small satellite will hitch a ride on a SpaceX Falcon Heavy rocket for the world\\u2019s first demonstration of \\u201cgreen\\u201d satellite propellant in space. The satellite is fueled by AFM-315, which the Air Force first developed more than 20 years ago as an alternative to the typical satellite juice of choice, hydrazine.\\nLearn more about your ad choices. Visit podcastchoices.com/adchoices'