In this episode of NSF Live, Das will talk with Andy Lapsa, CEO of Stoke Space. Topics will include Aerospike Engines, the path to flight, the next testing milestones, and much more. NSF Live is NASASpaceflight.com's weekly(ish) show covering the latest (~1 week old) news in spaceflight. It's broadcast live on Sundays at 3 p.m. Eastern. On each show, we rotate through various hosts and special guests.