Les Johnson, a scientist at NASA's Marshall Space Flight Center in Huntsville, Alabama inspects the nonconducting part of a tether as it exits a deployer similar to the system to be used in NASA's Propulsive Small Expendable Deployer (ProSEDS) experiment. Inexpensive and reusable, ProSEDS technology draws power from the space environment around Earth, allowing the transfer of energy from the Earth to the spacecraft. Credit: NASA
