# The UK Royal Navy was involved.
*Canonical page:* https://truthscore.com/claim/the-uk-royal-navy-was-involved--3bb2c573
*Numbers under lens:* **Evidence-weighted** (`log-odds@1`)
*Machine twins:* https://truthscore.com/claim/the-uk-royal-navy-was-involved--3bb2c573.md · JSON at https://truthscore.com/api/v1
The UK Royal Navy was involved.

## Standing

**9.5%** under Evidence-weighted (-2.25 log-odds; the floor is -3).

| Direction | Rests on | Base | Leg | CQ factor | Contribution |
|---|---|---|---|---|---|
| support | Russian Ministry of Defense claimed the UK Royal Navy was involved, citing recovered… | 1 | #1 | ×1 | +1.00 |
| challenge | Is the source genuinely in a position to know? | 0.5 | #1 | ×0.5 | -0.25 |

## How it was derived

Nobody asserted this. Scheme **expert-testimony** v1, depth 1.

**Premises**

- [Russian Ministry of Defense claimed the UK Royal Navy was involved, citing recovered fragments of a British‑made submarine drone.](https://truthscore.com/claim/bb6a2bf1)
- [Russian Ministry of Defence](https://truthscore.com/entity/d416866b)

**Critical questions**

- [open] [Is the source genuinely in a position to know?](https://truthscore.com/claim/6ac6e690)
- [open] [Is the claim independently corroborated?](https://truthscore.com/claim/707c6b98)
- [open] [Does the source have an interest in this conclusion?](https://truthscore.com/claim/8cc8b6d1)