Space


Artemis - Return to the Moon - A New Moon Race ??
Advanced Cislunar and Surface Capabilities (ACSC)

Artemis is named after Apollo's twin sister. Artemis was the last of those maiden deities who were never affected by the blandishments of Aphrodite. Hesiod and Homer ascribe her parentage to Zeus and Leto. She is the sister of Apollo, and born in the isle of Delos. There were many points of view from which the Greeks considered this goddess, and that which is most in accordance with the popular Hellenic notion is found in Arcadia. Here she is the female sovereign of the nymphs; while in this province her sanctuaries and her temples were very numerous and of ancient foundation. Mounts Taygetus and Erymanthus were the scenes of her sylvan exploits. Here it is that she hunts in company with her nymphs, of whom twenty formed a sort of regular retinue in the chase, while the daughters of Oceanus, to the number of an additional sixty, formed her choral dances in the mountain forests. The choir of weapons of the chase — the bow, quiver, and arrows — were the workmanship of Hephaistos, while Pan provided her with hounds. Four stags with golden antlers were attached to her chariot, and formed a swift and graceful equipage.

As the sister of Apollo she is, like Apollo, armed with bow and arrows, often dealing out plague and death among animated creation, During the Trojan war she sided with the Trojans, as did her brother Apollo. Among the immortals she is the Elaphebolos, "Stag-killer", and delights in the wild tumult of the chase. But a still more ancient type of this goddess, in fact that whence the Arcadian Artemis takes its rise, is to be found in the union of "Artemis of the Stag," and Artemis, the sister of Helios, the Sun, or Apollo, in which case she would necessarily be Selene, or the Moon.

Doug Loverro, the NASA official responsible for human spaceflight programs, left the agency May 18 after less than six months on the job. Loverro stepped into the Associate Administrator for HEO replacing his predecessor, William Gerstenmaier, who had been removed from the same position less than a year ago. “The risks we take, whether technical, political, or personal, all have potential consequences if we judge them incorrectly. I took such a risk earlier in the year because I judged it necessary to fulfill our mission,” Loverro wrote in an May 19 “all hands” email to NASA employees. “Now, over the balance of time, it is clear that I made a mistake in that choice for which I alone must bear the consequences.”

He did not elaborate on what that “mistake” was. Presumably the "mistake" was with reference to the choice of human landing systems (HLS) contractors announced 30 April 2020. The winners included Jeff Bezos's Blue Origin, but did not include industry heavy-weight Boeing. Although Boeing has been a target of Donald Trump [eg the new Air Force One], the company has learned how to play ball with the White House. Among his various holdings, Jeff Bezos includes the Washington Post, an onging source of annoyance to Donald Trump. The simplest explanation is that Boeing convinced the White House that choosing Bezos over Boeing was a "mistake".

Congresswoman Kendra Horn (D-OK) said “Under this Administration, we’ve seen a pattern of abrupt departures that have disrupted our nation’s efforts at human space flight. The bottom line is that, as the Committee that oversees NASA, we need answers.” House Committee on Science, Space, and Technology Chairwoman Eddie Bernice Johnson (D-TX) said “Mr. Loverro’s resignation is another troubling indication that the Artemis Moon-Mars initiative is still not on stable footing.

Mark Sirangelo, who joined NASA less than two months earlier as special assistant to agency chief Jim Bridenstine on the Artemis project, left his post after his proposal for a “sustainable lunar campaign” was nixed by Congress. Sirangelo “was escorted out of NASA’s headquarters in Washington” after he resigned, according to two sources who spoke to Reuters, “to pursue other opportunities.” Sirangelo joined the agency in April 2019 to organize a dedicated “mission directorate” focused on achieving the goals of the Artemis project - up to and including establishing a permanent moon base.

Most importantly - and urgently - Sirangelo was responsible for developing a strategy to meet Vice President Mike Pence’s increasingly implausible 2024 deadline for Americans’ return to the moon - and his departure suggests that NASA still lacked a workable plan in place to get there.

Congress poured cold water on Sirangelo’s proposal for a dedicated Artemis mission directorate when it rejected the project’s 2020 budget, citing costs - the $1.6 billion “down payment” is just the tip of an iceberg so large Bridenstine has deliberately avoided estimating the project’s total cost. Lawmakers appeared to have seen through that trick, demanding a more detailed plan and some idea of how much it would actually take to get to the moon.

Worse, the White House’s proposal to pay for that $1.6 billion involved repurposing money from the government’s Pell Grant fund, which provides financial aid for low-income college students - not good optics for a program that requires highly-trained engineers and scientists. “We need a lot more rocket scientists, not fewer,” Rep. Kendra Horn (D-Oklahoma), chair of the House subcommittee on space and aeronautics, told the Verge.

With Sirangelo’s plan rejected, NASA will have to conduct its Artemis work under the aegis of the existing Human Exploration and Operations directorate. Details of the plan were released earlier this week, showing 37 launches of NASA and private rockets, a bevy of lunar landers both human and robotic, and finally, “Lunar Surface Asset Deployment” in 2028, presumably a prelude to permanent base operation.

The Trump Administration announced plans to return Americans to the Lunar surface by the year 2024, some five years earlier than previously planned. This biggest challenge facing NASA is the development of the lunar lander needed to take astronauts to the surface. Such a vehicle had been under development under the Bush Administration, but had been halted under the Obama Administration. NASA now faces the choice of either reviving the Bush Adminisration Altair Lunar Lander, a large, highly capable system of the sort needed for extensive Lunar operations, or developing something along the lines of the Golden Spike lander, a minimalist vehicle that would meet the immediate political "footsteps and flags" requirements, but might not support much else.

China appears to have planned to land Chinese nationals on the Lunar surface soon after the year 2030, which is when the Long March 9 superbooster would become available. Russia has plans to send cosmonauts to the Lunar surface after 2030, but unlike China, which seems to have a real program, the Russian plans remain no more than un-approved plans.

While is it vastly more difficult to put a crew on the Lunar surface, as Apollo 11 did in 1969, sending a crew to the Moon, as Apollo 8 did in 1968, is a rather easier task. Both China and Russia have hardware options to send their crews to the Moon [without landing] before the Americans can place a crew on the Moon. One or both countries may take this opportunity to embarrass the Americans [attractive to China], or to claim superpower status [attractive to Putin].

Lunar LanderVice President Mike Pence announced on 26 March 2019 that the United States aims to send astronauts back to the Moon in five years, with a woman first in line to set foot on it again. “It is the stated policy of this administration and the United States of America to return American astronauts to the Moon, within the next five years,” Pence said in a speech in Huntsville, Alabama. “Let me be clear, the first woman and the next man on the Moon will both be American astronauts launched by American rockets from American soil,” he said.

"Now, make no mistake about it: We’re in a space race today, just as we were in the 1960s, and the stakes are even higher. Last December, China became the first nation to land on the far side of the Moon and revealed their ambition to seize the lunar strategic high ground and become the world’s preeminent spacefaring nation.

"Failure to achieve our goal to return an American astronaut to the Moon in the next five years is not an option," he continued, adding that commercial rockets and contractors would be used if they were the only way to achieve the five-year goal. "If NASA is not currently capable of landing American astronauts on the Moon in five years, we need to change the organization, not the mission." In plain language: "NASA, you've got until 2024 — or you're fired."

Some believe that 2024 was chosen because, if Trump wins a second term, a lunar landing would lend him a lasting legacy just before his departure. The event would also be a welcome PR boost for his US Republican party — and right during the boiling point of the 2024 presidential and congressional elections. When US astronauts landed on the moon in July of 1969, for example, it gave then-President Nixon a temporary bump in approval ratings of about four percent. Some saw this as the real reason behind the US' new five-year plan to return human beings to the moon by 2024 instead of 2028 — domestic politics. The goal was not to win a "space race," but an election. If this were a Hollywood movie, it's the kind of twist expected from one of America's autocratic adversaries, not from America itself.

In December 2017, President Donald J. Trump gave NASA a new direction, telling the agency to work with international and commercial partners to refocus exploration efforts on the moon, with an eye to eventually going on to Mars and even beyond. As stated in Space Policy Directive-1, "The NASA Administrator shall, 'Lead an innovative and sustainable program of exploration with commercial and international partners to enable human expansion across the solar system and to bring back to Earth new knowledge and opportunities. Beginning with missions beyond low-Earth orbit, the United States will lead the return of humans to the Moon for long-term exploration and utilization, followed by human missions to Mars and other destinations.' ”

NASA Administrator Jim Bridenstine said March 11, 2019: “Beginning with a series of small commercial delivery missions to the Moon as early as this year, we will use new landers, robots and eventually humans by 2028 to conduct science across the entire lunar surface." But later Administrator Jim Bridenstine said “ President Donald Trump has asked NASA to accelerate our plans to return to the Moon and to land humans on the surface again by 2024. We will go with innovative new technologies and systems to explore more locations across the surface than was ever thought possible. This time, when we go to the Moon, we will stay. And then we will use what we learn on the Moon to take the next giant leap - sending astronauts to Mars ”

Gateway Gateway Gateway Gateway Gateway

On 30 April 2020 NASA selected three U.S. companies to design and develop human landing systems (HLS) for the agency’s Artemis program, one of which will land the first woman and next man on the surface of the Moon by 2024. NASA is on track for sustainable human exploration of the Moon for the first time in history. The human landing system awards under the Next Space Technologies for Exploration Partnerships (NextSTEP-2) Appendix H Broad Agency Announcement (BAA) are firm-fixed price, milestone-based contracts. The total combined value for all awarded contracts is $967 million for the 10-month base period.

The Jeff Bezos company Blue Origin of Kent, Washington, is developing the Integrated Lander Vehicle (ILV) – a three-stage lander to be launched on its own New Glenn Rocket System and ULA Vulcan launch system. Blue Origin will build the descent element which is powered by BE-7 cryogenic engines three years in private development, with cryogenic technologies now under Tipping Point support. Lockheed will build the ascent element that includes the crew cabin, which will have significant commonality with Orion. Northrop Grumman will build the transfer element based largely on its Cygnus cargo module that services the International Space Station. Northrop Grumman is also leading development of a future refueling element for a sustainable lander demonstration. Draper will provide the guidance, navigation and control, avionics, and software systems that draw largely on similar systems the company has developed for NASA. In their proposal, the National Team outlines a plan in which the ILV can dock with either Orion or the Gateway to await crew arrival. The Blue Origin National Team’s elements for the Human Landing System can be launched individually on commercial rockets or combined to launch on NASA’s Space Launch System.

Dynetics (a Leidos company) of Huntsville, Alabama, is developing the Dynetics Human Landing System (DHLS) – a single structure providing the ascent and descent capabilities that will launch on the ULA Vulcan launch system. The Dynetics Human Landing System concept includes a single element providing the ascent and descent capabilities, with multiple modular propellant vehicles prepositioned to fuel the engines at different points in the mission. The crew cabin sits low to the surface, enabling a short climb for astronauts entering, exiting, or transporting tools and samples. The DHLS systems supports both docking with Orion and with Gateway, and will get a fuel top-off before descending to the surface. After the surface expedition, the entire vehicle will return for crew transfer back to Orion. The Dynetics Human Landing System is rocket-agnostic, capable of launching on a number of commercial rockets.

Elon Musk's SpaceX of Hawthorne, California, is developing the Starship – a fully integrated lander that will use the SpaceX Super Heavy rocket. Starship is a fully reusable launch and landing system designed for travel to the Moon, Mars, and other destinations. The system leans on the company’s tested Raptor engines and flight heritage of the Falcon and Dragon vehicles. Starship includes a spacious cabin and two airlocks for astronaut moonwalks. Several Starships serve distinct purposes in enabling human landing missions, each based on the common Starship design. A propellant storage Starship will park in low-Earth orbit to be supplied by tanker Starships. The human-rated Starship will launch to the storage unit in Earth orbit, fuel up, and continue to lunar orbit. SpaceX’s Super Heavy rocket booster, which is also powered by Raptor and fully reusable, will launch Starship from Earth. Starship is capable of transporting crew between Orion or Gateway and the lunar surface.

Notably absent from the winners was Boeing, which announced in November it had proposed a lunar lander system that could be launched in one piece on the SLS. None of the three companies proposed using the Space Launch System for their lunar landers. Blue Origin said their lander can launch either on its own New Glenn vehicle or United Launch Alliance’s Vulcan, while Dynetics baselined Vulcan and SpaceX its own Super Heavy booster for Starship. SLS will still be used for launching the crewed Orion spacecraft to lunar orbit.

NASA’s commercial partners will refine their lander concepts through the contract base period ending in February 2021. During that time, the agency will evaluate which of the contractors will perform initial demonstration missions. NASA will later select firms for development and maturation of sustainable lander systems followed by sustainable demonstration missions. NASA intends to procure transportation to the lunar surface as commercial space transportation services after these demonstrations are complete. During each phase of development, NASA and its partners will use critical lessons from earlier phases to hone the final concepts that will be used for future lunar commercial services.




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