Wikipedia's 270,000 active editors decide what the world's most-read reference source says about everything. A group of volunteers organized through Somerset House Studios' n-Space programme has decided that what the encyclopedia says about the arms industry isn't good enough, and they're fixing it — one wikithon at a time. The effort, co-founded by Agnes Cameron and Hannah Cobb, runs monthly editing sessions in London where two dozen volunteers — from veteran editors in their 70s to students who've never registered an account — improve pages on subjects like Palantir, Project Maven, and Nitro-Chem. The events draw from a broader demographic than Wikipedia's typical editor pool, with previous sessions in Manchester and London pulling more than 60 participants, including activists, journalists, and Quaker members. The tension is structural, not incidental. Cameron acknowledges the group is "toeing quite a difficult line" between political motivation and encyclopedic neutrality. Wikipedia's rules prohibit original research and demand that no conclusions are drawn; the wikithon's stated goal is to consolidate publicly available information into better-organized entries. But the subject selection itself is an editorial act, and the organizers know it. "This is not an anti-arms industry campaigning event," Cameron insists. "This is an event really about factual information on Wikipedia." Wikipedia's own history suggests the line is thinner than anyone admits. The platform has been covertly used as an informational battleground before — editor Ksenia Coffman spent years removing sympathetic portrayals of Nazi officials, and the Croatian-language version was commandeered by far-right nationalists making ideologically motivated edits. The arms industry wikithon sits in a different moral register from those examples, but it occupies the same structural vulnerability: organized groups with a shared worldview can systematically shape what 'neutral' looks like. The group's decision not to publicize the details of its edits — over concerns that work could be undone by other editors in bad faith — reveals a secondary dynamic. Wikipedia's revert culture functions as both quality control and a veto mechanism for incumbents. An organized editing effort that keeps its edits quiet is functionally indistinguishable from the covert editing campaigns the platform has struggled with, even if the intent is different. Cameron hopes to formalize the effort into a WikiProject, potentially under the umbrella of WikiProject Military history, which she calls "far and away the most active project on Wikipedia by miles." The aspiration is to move from ad-hoc sessions to a recognized institutional presence within Wikipedia's governance structure. That transition — from guerrilla editing to legitimate project — is where the real test of Wikipedia's neutrality norms will play out. The broader pattern here is one of information infrastructure. Wikipedia's coverage gaps — 19% of biographies are for women, geographic bias toward the US and western Europe — are not bugs but emergent properties of who shows up. The arms industry wikithon is an attempt to change who shows up. Whether that produces better coverage or organized point-of-view editing depends entirely on whether the participants respect the platform's rules more than their own convictions. Cameron's closing line — "Wikipedia is fundamentally anti-fascist" — suggests the answer is not as clean as the group's stated methodology.