Is the codename for SU-75 "Femboy"?
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Executive summary
There is no evidence in the available reporting that the Sukhoi Su-75 Checkmate carries the codename "Femboy." Open sources consistently call the design "Su‑75" or "Checkmate" (also T‑75), and NATO-style reporting names are assigned by Western bodies — current coverage references "Checkmate" as the public name and does not mention "Femboy" [1] [2] [3].
1. What mainstream sources call the aircraft
Every authoritative item in the provided set identifies the design as the Sukhoi Su‑75, marketed publicly as "Checkmate" (and internally as T‑75 in Sukhoi documentation) — for example, the program is repeatedly described as the Su‑75 Checkmate in reporting on its mockups, flight schedules and exhibits at air shows [1] [3] [4].
2. Who assigns codenames — and what those look like
NATO-style reporting names for Soviet/Russian fighters are assigned by Five Eyes / allied bodies such as the Air Force Interoperability Council; those names follow established conventions (e.g., the Su‑57 is "Felon") and are documented in public reference pieces on NATO reporting names [2] [5].
3. No appearance of "Femboy" in the provided record
None of the supplied articles, profiles or encyclopedia entries use "Femboy" as a name or codename for the Su‑75. The reporting instead focuses on program milestones, export hopes and technical features; therefore the claim that "Femboy" is a codename is not supported by these sources [1] [3] [4].
4. Possible origins of the rumor — not found in current reporting
The materials provided discuss public marketing names ("Checkmate"), NATO reporting names, program delays and variants (manned/unmanned) but do not address online nicknames, slang, or meme culture that might spawn a label like "Femboy." Available sources do not mention any informal or community-coined nickname such as "Femboy" for the Su‑75 [1] [4] [6].
5. How the reporting treats program identity and messaging
Coverage shows Sukhoi/Rostec framing Su‑75 as an export-oriented, single‑engine "light tactical" or fifth‑generation design priced to attract buyers; the messaging centers on "Checkmate" as the commercial name when talking to potential customers and press, which is the name repeated across the coverage [4] [6] [3].
6. Two explanations for a stray name — speculation rooted in context
If "Femboy" is circulating somewhere, two plausible but unconfirmed paths exist: (a) online communities invent irreverent nicknames for military hardware and attach them virally, or (b) social-media users repurpose images/art associated with the aircraft to label it humorously or provocatively. Neither path is documented in the supplied reporting; the supplied sources do not mention either phenomenon in relation to the Su‑75 [1] [4].
7. What would count as authoritative confirmation
An authoritative codename would appear in: (a) official Sukhoi/UAC or Rostec statements, (b) formal NATO/AFIC reporting-name lists, or (c) major defense-media reporting. The provided record shows "Checkmate" and the designation Su‑75/T‑75 in those outlets; none of the three sources list "Femboy" [1] [2] [3].
8. Bottom line and recommended next steps
Based on the supplied reporting, "Femboy" is not a documented codename for the Su‑75 Checkmate [1] [3] [4]. To prove or disprove an internet-born nickname would require searching social media, forums or image boards not represented in the current source set — the available sources do not mention those channels [1] [4]. If you want, I can search for references on social platforms and non‑mainstream sites to trace where the label originated.