Jonathan McDowell joins me to talk about his recent paper proposing 80 kilometers, rather than 100, as a more appropriate boundary of the edge of space.

This episode of Main Engine Cut Off is brought to you by 34 executive producers—Kris, Pat, Matt, Jorge, Brad, Ryan, Jamison, Nadim, Peter, Donald, Lee, Jasper, Chris, Warren, Bob, Russell, John, Moritz, Joel, Jan, David, Grant, Mike, David, Mints, Joonas, Robb, Tim Dodd the Everyday Astronaut, and six anonymous—and 205 other supporters on Patreon.

Jake Robins of WeMartians joins me to talk InSight, Mars EDL, and Mars 2020.

This episode of Main Engine Cut Off is brought to you by 33 executive producers—Kris, Pat, Matt, Jorge, Brad, Ryan, Jamison, Nadim, Peter, Donald, Lee, Jasper, Chris, Warren, Bob, Russell, John, Moritz, Joel, Jan, David, Grant, Mike, David, Mints, Joonas, Robb, and six anonymous—and 203 other supporters on Patreon.

NASA announced the nine companies that will be competing for Commercial Lunar Payload Services missions. I share some thoughts on the program overall, and discuss what we know about each company.

This episode of Main Engine Cut Off is brought to you by 34 executive producers—Kris, Pat, Matt, Jorge, Brad, Ryan, Jamison, Nadim, Peter, Donald, Lee, Jasper, Chris, Warren, Bob, Russell, John, Moritz, Joel, Jan, David, Grant, Mike, David, Mints, Joonas, Robb, and seven anonymous—and 200 other supporters on Patreon.

This month for Q&A, we try to figure out what the hell is up with DM-1, hit a few questions about launch, and talk through a few space development topics.

This episode of Main Engine Cut Off is brought to you by 33 executive producers—Kris, Pat, Matt, Jorge, Brad, Ryan, Jamison, Nadim, Peter, Donald, Lee, Jasper, Chris, Warren, Bob, Russell, John, Moritz, Joel, Jan, David, Grant, Mike, David, Mints, Joonas, and seven anonymous—and 201 other supporters on Patreon.

As I was recording yesterday’s show about Starlink, SpaceX filed an application with the FCC for some changes to the Starlink plan. I read through the report and it confirms some of what I talked about yesterday, so thought it was worth an update.

This episode of Main Engine Cut Off is brought to you by 34 executive producers—Kris, Pat, Matt, Jorge, Brad, Ryan, Jamison, Nadim, Peter, Donald, Lee, Jasper, Chris, Warren, Bob, Russell, John, Moritz, Joel, Jan, David, Grant, Mike, David, Mints, Joonas, and eight anonymous—and 195 other supporters on Patreon.

I share some space-focused takeaways from the US midterm elections and a thought that I had about recent Starlink reports.

This episode of Main Engine Cut Off is brought to you by 34 executive producers—Kris, Pat, Matt, Jorge, Brad, Ryan, Jamison, Nadim, Peter, Donald, Lee, Jasper, Chris, Warren, Bob, Russell, John, Moritz, Joel, Jan, David, Grant, Mike, David, Mints, Joonas, and eight anonymous—and 194 other supporters on Patreon.

This month, I take on questions about small launch, future space ventures, and the Boeing/SLS saga/drama.

This episode of Main Engine Cut Off is brought to you by 34 executive producers—Kris, Pat, Matt, Jorge, Brad, Ryan, Jamison, Nadim, Peter, Donald, Lee, Jasper, Chris, Warren, Bob, Russell, John, Moritz, Joel, Jan, David, Grant, Mike, David, Mints, Joonas, and eight anonymous—and 191 other supporters on Patreon.

NASA released a request for information this week about cargo services to the Gateway—big news for the future of NASA and the Gateway. I break down the technical and non-technical bits of that announcement, as well as some updates on Space Force and the Soyuz situation.

This episode of Main Engine Cut Off is brought to you by 34 executive producers—Kris, Pat, Matt, Jorge, Brad, Ryan, Jamison, Nadim, Peter, Donald, Lee, Jasper, Chris, Warren, Bob, Russell, John, Moritz, Joel, Jan, David, Grant, Mike, David, Mints, Joonas, and eight anonymous—and 189 other supporters on Patreon.

I share some thoughts on the two rocket drama stories from last week: a brutal OIG report on Boeing’s work on SLS stages, and the Air Force selected three new launch vehicles to receive development funding.

This episode of Main Engine Cut Off is brought to you by 35 executive producers—Kris, Pat, Matt, Jorge, Brad, Ryan, Jamison, Nadim, Peter, Donald, Lee, Jasper, Chris, Warren, Bob, Russell, John, Moritz, Tyler, Joel, Jan, David, Grant, Mike, David, Mints, Joonas, and eight anonymous—and 186 other supporters on Patreon.

Blue Origin and Harris announced an interesting partnership last week that’s worth discussing: Harris will be producing 5-meter fixed mesh reflector antennas that can only fit (for now) inside of New Glenn’s big fairing.

This episode of Main Engine Cut Off is brought to you by 35 executive producers—Kris, Pat, Matt, Jorge, Brad, Ryan, Jamison, Nadim, Peter, Donald, Lee, Jasper, Chris, Warren, Bob, Russell, John, Moritz, Tyler, Joel, Jan, David, Grant, Mike, David, Mints, Joonas, and eight anonymous—and 186 other supporters on Patreon.