National Space Society Endorses NASA Administrator Bridenstine’s Reusable Path to the Moon

bridenstine town hall

The National Space Society, America’s leading citizen space advocacy organization, calls attention to the fact that under its new administrator, James Bridenstine, NASA has the potential to make a major step forward in space. Moving beyond a limited usage of reusable rockets to supply cargo to the International Space Station, Bridenstine is calling for basing our return to the Moon program entirely on reusables including both vehicles and infrastructure. On August 2, 2018, while speaking at Johnson Space Center in Texas, Bridenstine said, “We want the entire architecture between here and the Moon to all be reusable. We know how reusability of rockets has changed the game for access to space and how it’s just driven down the cost, and it will continue to drive down the cost.”

“NSS is delighted that Administrator Bridenstine has endorsed the usage of reusable vehicles and equipment for our return to the Moon,” said Dale Skran, NSS Executive Vice President and Chair of the NSS Policy Committee. “Reusable rockets and infrastructure will lead to an affordable future in space. Expendable rockets will not.”

Bridenstine, in his Johnson Space Center comments, continued “At NASA, we need to be looking at things differently. We need to be a customer when we can be a customer. We want to have multiple providers when we can have multiple providers all competing on innovation and cost. I think we are at the precipice of having an opportunity that didn’t even exist five or ten years ago on the commercial side.”

“A thriving cislunar space economy is the foundation of a sustainable future in space,” said NSS Senior Vice President Bruce Pittman. “Fully reusable Earth-Moon shuttles, space stations, fuel depots, lunar landers, lunar rovers, and space suits are all critical components of the evolving cislunar economy. Just as important as reusable vehicles is the usage of multiple, competing providers with different solutions to ensure both redundancy and competitive pressure to lower costs.”

NSS has been a frequent advocate for a sustainable future in space based on lower-cost reusable vehicles purchased as a service from competing private companies. The NSS position paper “Now is the Time: A Paradigm Shift in Access to Space,” which can be found at http://space.nss.org/wp-content/uploads/NSS-Position-Paper-Paradigm-Shift-in-Access-to-Space-2017.pdf, calls on the Administration, Congress, and NASA to fully utilize emerging reusable launch vehicles. Since this position paper was written, both SpaceX and Blue Origin have made dramatic strides in reusable launch vehicle technology, including the first launch of the Falcon Heavy. The National Space Society looks forward to seeing NASA purchase flights on reusable commercial vehicles as we return to the Moon as part of a strategy that makes optimum use of reusable technologies, architectures, and systems.

Image credit: Bridenstine speaking May 17 at NASA HQ in Washington DC (NASA photo).

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4 thoughts on “National Space Society Endorses NASA Administrator Bridenstine’s Reusable Path to the Moon”

  1. I totally agree with Dale Skran and Bruce Pittman in their support of a Cis-Lunar architecture based on reusable rocket technology. In order to create a sustainable manned space program that can affordably have humans occupying Cis-Lunar orbiting habitats and establishing lunar surface outposts, reusable technology has to become the standard. As a member of the NSS Membership Committee and Chair of the NSS Value Enhancement Sub-Committee, I fully support NASA Administrator Jim Bridenstine’s vision of a sustainable Lunar architecture based on reusable rockets and associated technology.

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  2. What a mass of total nonsense. I’ve heard all this before. First of all you don’t start planning a return to the moon by cancelling the lunar rover for the south pole ice deposits. If NASA thinks that reuse is the future . why are we building expendable rockets like SLS and 1960,s space capsules? Reusable vehicles are important in lowering cost but there is another factor that’s far more important. All this talk of building,launching, deploying,and maintaining shuttles, space stations, lunar transports, landers and surface bases is way beyond what the American taxpayer will support. The reason for this high cost is due to one critical factor , the low exhaust velocity of the best chemically powered rockets. Only nuclear power can provide the required exhaust velocity needed for economical operation of a Earth -Moon transportation system where we can directly launch from Earth.You can dream of space the way you always have but it will just be a dream.

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    • Donald Ernst has critiqued the NSS position on using reusable rocket technology to establish a sustainable Lunar program with manned orbital habitats and bases on the Lunar surface. He states that using chemical rockets for this endeavor is not affordable because of the limited thrust that can be generated by chemical propulsion systems. His solution to this problem is to use nuclear propulsion and I assume he is referring to nuclear thermal propulsion. Theoretically, nuclear thermal propulsion systems could generate a high thrust while having a higher specific impulse than chemical rocket systems. My reply to Mr. Ernst’s position is that nuclear thermal propulsion systems cannot be launched from Earth because the theoretical maximum thrust is not high enough to reach earth orbit. Nuclear thermal propulsion is suited for long distance space missions such as a manned mission to Mars. This is mainly due to the very high specific impulse.

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      • Spacecraft using nuclear thermal propulsion can indeed be launched from the Earth. The NERVA engine developed by NASA in the 1960’s and 1970’s could not however.The NERVA engine fuel elements did not have enough power density to do that but another design did , called DUMBO. It’s fuel element power density was much higher, 65 time as high. NERVA’s power density only allows it to perform deep space missions and mabe upper stage work. The U.S. nuclear rocket program got it’s start in 1955 as project Rover which was to develop a nuclear powered ICBM to carry the heavy warheads of the day. As warheads shrink in size and weight and chemical rockets were developed the project shifted to deep space missions. DUMBO was not a flight ready system , there were problems but they could be worked out and even better designs might be found.

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