Record entry · Defense Procurement

B 21

What is happening now

Nothing reported: the record holds no registered event and no claim that names this.

How well we know this

69 documents · 16 publishers · 12% contain a typed assertion · last evidence 20 Oct 2026

Gap: assertion coverage 0.116: about 88% of mentions carry no typed assertion

Added 30 Sept 2026Mentions 25Sources 10Days of coverage 18

Why this name is on the record

B 21 was added automatically on 30 Sept 2026 after 25 mentions across 10 sources over 18 days. 60% of that coverage came from a single subject area.

Reported alongside B 21

Names most often reported alongside it; bigger circles and heavier lines mean more shared documents. A dashed circle has no page of its own yet.

B-21 Raider · 51 shared documents
Northrop Grumman · 40 shared documents · no page of its own yet
Pentagon · 38 shared documents
Nuclear · 34 shared documents · no page of its own yet
B-2 Spirit · 29 shared documents
Us Air Force · 28 shared documents
Navy · 27 shared documents
China · 27 shared documents
Usaf · 25 shared documents · no page of its own yet
Boeing · 24 shared documents

For developers

GET https://api.signalbureau.ai/api/registry?slug=b-21

{
  "slug": "b-21",
  "state": "active",
  "detail": {
    "state": "active",
    "source": "ontology",
    "label": "b-21",
    "promotedAt": "2026-09-30",
    "category": "defense_procurement",
    "evidence": {
      "mentions": 25,
      "sources": 10,
      "days": 18,
      "concentration": 0.6,
      "standAloneShare": 0.686
    }
  }
}

The record behind this page, as data. The live response also carries the registry date and version.

Walk the record from B 21

Open where it comes from, follow a claim or a related name, and use the trail to come back. Every step says what it is, how it stands and when. Machines read the same record.

B-21

Entity.

Evidence: 69 documents · 16 separate publishers · a mention shows the name is in use, not that any claim about it is true
Standing: A name from our starting list; its record is kept up to date automatically from coverage
Time: first seen 3 Sept 2026, last seen 20 Oct 2026
Measured: 12% of mentions say something specific about it; the rest only name it
As of: 21 Oct 2026