Main Engine Cut Off

After the most recent show, I found a few nuggets of information in the NSSL Phase 3 documents, plus some more updates came out in a call that the Space Force had with some reporters.This episode of Main Engine Cut Off is brought to you by 35 executive producers—Donald, Lee, The Astrogators at SEE, Tim Dodd (the Everyday Astronaut), Kris, Simon, Pat, Pat from KC, Russell, Matt, Fred, Stealth Julian, SmallSpark Space Systems, Tyler, Jan, Dawn Aerospace, Ryan, Theo and Violet, David, Harrison, Joel, Benjamin, Frank, Bob, Chris, Will, Craig from SpaceHappyHour.com, Joonas, Steve, Lars from Agile Space, Warren, and four anonymous—and 835 other supporters.TopicsT+254: Mars Sample Return, Vulcan, NSSL Phase 3 (with Eric Berger) - Main Engine Cut OffNational Security Space Launch (NSSL) Phase 3 DRAFT Request for Proposals (RFPs) #2Space Force to select three providers of national security launch services - SpaceNewsSpace Force changed launch procurement plan due to concerns about capacity - SpaceNewsThe ShowLike the