WeaponSpecs
Sandia National Laboratories

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Munitions United States flagUnited States

Sandia National Laboratories

B61

American variable-yield thermonuclear gravity bomb carried by US and NATO strategic and dual-capable aircraft, in continuous service since the 1960s through successive life-extension variants.

Compiled from public sources ·primary reference ↗ ·last verified 2026-07-05

Procurement snapshot

Availability & export

US ITAR-controlled

Export needs U.S. State Dept (DDTC) approval; end-use & re-transfer restrictions apply.

Channel: Foreign Military Sales (FMS) or Direct Commercial Sale

Fielded & proven

Operator data not public

Status: active.

Lifecycle cost (est.)

No public unit price to model from.

Interoperability

No standardised NATO calibre / datalink detected in public specs.

Derived guidance from public data, export regime by country of origin, lifecycle from the GAO ~30% acquisition rule. Verify eligibility, pricing and offsets with the manufacturer and your acquisition authority.

Full specifications

Munition

Round type, penetration, velocity and projectile data.

Round type

APFSDS (kinetic sabot), HEAT / multipurpose, HE-FRAG, canister or gun-launched ATGM.

Nuclear gravity bomb

Specifications compiled from public Sandia National Laboratories and reference sources ↗. Published defense figures are approximations, treat comparisons as directional. Last verified 2026-07-05.

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