Explore sounding rockets, and the experiments they take to the skies, with space physicist Alexa Halford and sounding rocket program assistant chief Cathy Hesh.
Field Notes: Astronaut Shannon Walker
From dusty deserts to icy mountain tops, NASA experts visit incredible places along their career path. But what about our explorers who take their work off the Earth? Join astronaut Shannon Walker on a look back at her excursions into space.