Record entry · Defense Procurement

B 21 Raider

What is happening now

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

How well we know this

33 documents · 7 publishers · 64% contain a typed assertion · last evidence 7 Oct 2026

Gap: assertion coverage 0.636: about 36% of mentions carry no typed assertion

Added 30 Sept 2026Mentions 25Sources 6Days of coverage 16

Why this name is on the record

B 21 Raider was added automatically on 30 Sept 2026 after 25 mentions across 6 sources over 16 days. 64% of that coverage came from a single subject area.

Reported alongside B 21 Raider

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 · 33 shared documents
Us Air Force · 21 shared documents
B-2 Spirit · 20 shared documents
Pentagon · 19 shared documents
Northrop Grumman · 18 shared documents · no page of its own yet
Usaf · 15 shared documents · no page of its own yet
Navy · 14 shared documents
Boeing · 13 shared documents
Space Force · 12 shared documents
B-1b Lancer · 11 shared documents

For developers

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

{
  "slug": "b-21-raider",
  "state": "active",
  "detail": {
    "state": "active",
    "source": "ontology",
    "label": "b-21 raider",
    "promotedAt": "2026-09-30",
    "category": "defense_procurement",
    "evidence": {
      "mentions": 25,
      "sources": 6,
      "days": 16,
      "concentration": 0.64,
      "standAloneShare": 0.92
    }
  }
}

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

Walk the record from B 21 Raider

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 Raider

Entity.

Evidence: 33 documents · 7 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 5 Sept 2026, last seen 7 Oct 2026
Measured: 64% of mentions say something specific about it; the rest only name it
As of: 8 Oct 2026