Record entry · Defense Procurement

B 21

What is happening now

  • B-21 Testing, Manufacturing Ramp Up: ‘We’re Moving Fast’

    Reported claim · first reported 7 Oct 2026 · 1 claim · best-carried claim: 2 separate publishers

How well we know this

48 documents · 12 publishers · 46% contain a typed assertion · last evidence 7 Oct 2026

  • Gap: assertion coverage 0.458: about 54% 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 RaiderPentagonUs Air ForceB-2 SpiritNavyBoeingSpace Force
  • B-21 Raider · 33 shared documents
  • Pentagon · 28 shared documents
  • Northrop Grumman · 27 shared documents · no page of its own yet
  • Us Air Force · 22 shared documents
  • B-2 Spirit · 21 shared documents
  • Navy · 20 shared documents
  • Boeing · 19 shared documents
  • Space Force · 19 shared documents
  • Usaf · 18 shared documents · no page of its own yet
  • Space Forces · 18 shared documents · no page of its own yet

For developers

GET https://sigb.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
48 documents · 12 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 7 Oct 2026
Measured
46% of mentions say something specific about it; the rest only name it
As of
8 Oct 2026
11 links from here

Who it moves with: the 10 names are in the map above.

What is claimed about it (1)

  • Reported by two: Reported by two sources that did not copy each other.

Situations it is named in (0)

none on file at this cutoff

For machines: this record as JSON

Watch this

The coverage behind it

Ask about B 21Watch B 21

No trend and no market price are shown because neither has been measured for B 21 yet. Informational only, not advice. As of 8 Oct 2026.