Rocket Lab completed their investigation into what went wrong on their first launch, Virgin Orbit’s carrier 747 arrived in Long Beach, and I discuss a few NASA-backed advanced propulsion projects.
This episode of Main Engine Cut Off is brought to you by 17 executive producers—Kris, Mike, Pat, Matt, Jorge, Brad, Ryan, Jamison, Guinevere, Nadim, Peter, Donald, Lee, and four anonymous—and 66 other supporters on Patreon.

Main Engine Cut Off | Listen OnDemand Free | TuneIn
Rocket Lab Completes Post-Flight Analysis | Rocket Lab
Rocket Lab Addresses Vehicle Roll on Twitter
Telemetry glitch kept first Electron rocket from reaching orbit - SpaceNews.com
Rocket Lab clear on why first launch failed and confident to go again - NZ Herald
Virgin Orbit plans 2018 first launch - SpaceNews.com
Virgin Orbit Tweet Shows Launch Vehicle Hardware
Virgin Orbit - NewtonThree Hotfire (5 June 2017) - YouTube
Virgin Orbit - NewtonFour Hotfire (29 June 2017) - YouTube
LauncherOne Service Guide (PDF, 2.5MB)
Vector raises $21 million for small launch vehicle development - SpaceNews.com
Ad Astra Rocket Company NextSTEP Year 2 Press Release (PDF, 82KB)
NASA’s plasma rocket making progress toward a 100-hour firing | Ars Technica
New NASA Contract Will Advance Nuclear Thermal Propulsion Technology | NASA
NASA Contracts with BWXT for Nuclear Thermal Propulsion Project - Main Engine Cut Off
Email your thoughts and comments to anthony@mainenginecutoff.com
Follow @WeHaveMECO
Subscribe on Apple Podcasts, Overcast, Google Play, Stitcher, TuneIn or elsewhere
Subscribe to the Main Engine Cut Off Newsletter
Buy shirts and Rocket Socks from the Main Engine Cut Off Shop
Support Main Engine Cut Off on Patreon