NASA yesterday issued its final solicitation for proposals for private companies to build its manned lunar landers, with one major change resulting from comments to their earlier preliminary announcements.
Those comments resulted in some modifications intended to streamline the process and give companies more flexibility. One of the biggest is that NASA will no longer require lunar landers to dock with the lunar Gateway to serve as a staging point, at least for initial missions to the lunar surface.
“The agency’s preferred approach to a lunar landing is for the crew in the Orion spacecraft and the uncrewed human landing system to launch separately and meet in lunar orbit at the Gateway, which is critical to long-term exploration of the moon,” the agency said in a Sept. 30 statement about the solicitation. “NASA wants to explore all options to achieve the 2024 mission and remains open to alternative, innovative approaches.” [emphasis mine]
If these landers, using Orion, bypass Gateway in getting to the lunar surface, then there will literally be no reason to build that lunar station. NASA knows this, which is why they spent a lot of time hiding this fact by touting the requirement that any proposal must be designed to eventually dock with Gateway. The agency has been using Gateway to garner support on Capital Hill for its manned program, since the project will take decades to build and thus create a lot of jobs while generally taking few risks in space. (Politicians love this kind of space jobs program.) NASA now probably fears a pushback from both Congress and the big contractors building SLS and Gateway, and want to defuse that.
Nonetheless, this decision signals the Trump administration’s desire to get itself an off ramp from SLS and Gateway. Since NASA plans on issuing two lander contracts, I think they hope to issue one using Gateway, and one that does not. This way, when (not if) Gateway is delayed, they will still be able to fly manned lunar missions.
Yesterday’s solicitation also set a fast deadline for submissions, one month.
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