Data Quality86%
MASS(Military Archive Scoring System)
ⓘ Regardless of era, the same scoring system applies to all units in the general purpose (iron) bombs category.
01 / Overview
B28 nuclear bomb
Category
Country
Production
1958–1966
Quantity
4,500
Operators
💰 PERFORMANCE / PRICE ASSESSMENT Methodology ↗
GENERAL PURPOSE (IRON) BOMBS · EARLY COLD WAR
13
PERFORMANCE/PRICE
45
UNIT COST (2025 USD)
—
ⓘ Performance/Price and MASS score are computed across all units in the general purpose (iron) bombs category, regardless of era.
02 / Specs & Design
◎General6MOD.6
- Munition Typethermonuclear bomb
- Service Entry Year1958
- Total Weight816 kg
- Length1.9 m
- Diameter508 mm
- In ServiceNo
◈Guidance5MOD.5
- GuidedNo
- Guidance Typefree-fall
- GPS / INS GuidanceNo
- Laser GuidanceNo
- Imaging InfraredNo
▣Warhead & Effect4MOD.4
- Warhead Typethermonuclear
- Penetrator / Bunker-BusterNo
- Cluster MunitionNo
- Thermobaric / Fuel-AirNo
◇Delivery2MOD.2
◆Platform3MOD.3
- Compatible AircraftB-47, B-52, B-57, B-66, F-84F, F-100, F-101, F-105, AJ-1, AJ-2, A2U-1, A3D-1, A4D, F2H, F3H-2, F7U-3, P6M, CF-104, Valiant, Canberra
- Internal CarriageYes
- Low-Drag BodyYes
▤Production3MOD.3
- Total Production4,500
- Operators3
- Variants20
⬢Warhead Detail1MOD.1
- Detonation Mechanism / Fuzeradar and contact fuzing
03 / History
SERVICE LIFESPANStill in Service
- 1958Production started
- 1966Production ended
68
years in service
8
years in production
4,500
units produced
3
countries operating
ⓘ The producing country still actively operates it.
04 / Operators
Operator Countries3country
B28 nuclear bombSALES2records
| Year | Buyer | Quantity | Amount | Present Value (2025) |
|---|---|---|---|---|
| — |  Canada | — | — | — |
| — |  United Kingdom | — | — | — |
ⓘ "Present Value" is an estimated amount adjusted for inflation.
05 / MASS Score
GENERAL PURPOSE (IRON) BOMBS RANKING General Purpose (Iron) Bombs · Early Cold War
MASS RANKINGSMASS ↗
46GENERAL PURPOSE (IRON) BOMBS13EARLY COLD WAR · GENERAL PURPOSE (IRON) BOMBS1165UNITED STATES · ALL WEAPONS100PERFORMANCE/PRICE · GENERAL PURPOSE (IRON) BOMBS
ⓘ Rankings are within theGeneral Purpose (Iron) Bombscategory.
📖 TERMS ON THIS PAGE2terms
A streamlined design reducing air resistance to increase the speed or accuracy of a Gravity Bomb.
These terms are listed automatically because they appear on this page.full encyclopedia →
📚 Sources