This month, I take on questions about BE-4 and Vulcan, small launch, BFR, and human spaceflight.

This episode of Main Engine Cut Off is brought to you by 36 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, Barbara, Mike, David, Mints, Joonas, and eight anonymous—and 187 other supporters on Patreon.

• United Launch Alliance Building Rocket of the Future with Industry-Leading Strategic Partnerships
• EELV LSA Selection “Sometime in August” - Main Engine Cut Off
• U.K. selects Scottish spaceport site - SpaceNews.com
• Government Has Environmental Concerns About Nova Scotia Launch Site - Parabolic Arc
• Ursa Major Technologies
• OneWeb, treading water awaiting debt financing, now a source of industry concern - Space Intel Report
• BFR passing the Moon | Official SpaceX Photos | Flickr
• Gamma Radiation Protection and Radiation Shield | StemRad
• Commander Leads Japanese, Russian Spaceship Preps and BEAM Checks - Space Station
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