Space.com #Solar Electric Propulsion Upgrades Wanted For Deep Space Missions, More | Video 11 October 2016 fborgosano Leave a comment Share: NASA’s Solar Electric Propulsion (SEP) project is trying to cut spaceflight costs by implementing more efficient technologies. Project manager Meg Nazario at the space agency’s Glenn Research Center in Cleveland explains the work being done. from Space.com ift.tt/2ebMBVQ Share: