B-2 Spirit: Northrop Grumman’s Legendary Flying-Wing Stealth Bomber, Explained
Thirty-five years after its first flight, the B-2 Spirit remains the world’s only operational strategic stealth bomber. Northrop Grumman’s flying-wing masterpiece carries a USD 2.1 billion price tag per aircraft, a radar cross-section smaller than a bumblebee, and a combat record stretching from Kosovo in 1999 to Houthi strikes in Yemen in 2025.
What Is the B-2 Spirit?
The B-2 Spirit is a two-crew, four-engine, flying-wing strategic stealth bomber operated exclusively by the U.S. Air Force. It first flew on 17 July 1989 and entered operational service in April 1997. Today 19 of the 21 aircraft built remain active with the 509th Bomb Wing at Whiteman Air Force Base, Missouri. The defining feature is the flying-wing layout — no separate fuselage, no tail surface — the entire aircraft is one continuous wing, dramatically reducing radar reflection while maximizing internal volume for fuel and weapons.
What Does It Do?
- Strategic nuclear deterrence — one of the three legs of the U.S. nuclear triad, carrying B61-7/11/12 and B83-1 gravity bombs.
- Penetration of denied airspace — enters adversary air-defense networks (S-400, HQ-9) undetected to strike high-value targets.
- Mass conventional attack — 80 x 500 lb bombs or 16 x 2,000 lb JDAMs in a single pass.
- Bunker-buster missions — only platform certified for the GBU-57 MOP (30,000 lb) for deeply buried facilities.
- Global reach — Whiteman AFB to any point on Earth without refueling; documented 44-hour round-trip combat missions.
Technical Specifications
| Specification | Value |
|---|---|
| Crew | 2 pilots |
| Length / Wingspan | 21.0 m / 52.4 m (172 ft) |
| Empty weight / MTOW | 71,700 kg / 170,550 kg |
| Engines | 4 x GE F118-GE-100 (77 kN each) |
| Max speed | High subsonic — Mach 0.95 (~1,010 km/h) |
| Range (unrefueled) | 11,100 km (6,000 nmi) |
| Service ceiling | 15,200 m (50,000 ft) |
| Weapons payload | 23,000 kg max (50,000 lb) |
| RCS (estimated) | ~0.001 m2 |
| Nuclear weapons | B61-7, B61-11, B61-12, B83-1 |
| Conventional weapons | GBU-36/37 JDAM, GBU-57 MOP, JASSM, JSOW |
| Air refueling | KC-135 / KC-46 compatible |
Operators and Contracts
| Operator | Qty | Notes |
|---|---|---|
| USAF 509th Bomb Wing | 19 active | Whiteman AFB, Missouri |
| Total production | 21 aircraft | Spirit of Kansas lost 2008 (Guam crash) |
| Program cost | ~USD 44.75B | ~USD 2.1B per aircraft |
| Annual sustainment | ~USD 3.4M / aircraft / year | RAM coating maintenance is the largest cost driver |
Why It Matters for Turkey
| Criterion | B-2 Spirit | Turkish Counterpart |
|---|---|---|
| Flying-wing stealth | B-2 Spirit (crewed, 4 engines) | TAI ANKA-III — indigenous flying-wing stealth UCAV (2023) |
| Long-range strike | 11,100 km, 23,000 kg payload | ROKETSAN TAYFUN (+500 km) + GEZGIN (+800 km) |
| Crew risk | 2 pilots per mission | ANKA-III, AKINCI — unmanned, zero crew exposure |
| Export sovereignty | ITAR-restricted — zero exports ever | 100% indigenous — ANKA-III, AKINCI, TAYFUN export-ready |
| Unit cost | USD 2.1B / aircraft | TAYFUN ~USD 3-5M / missile; ANKA-III below USD 10M |
Frequently Asked Questions
Only 21 were built — development costs spread over very few units; RAM coating requires constant expensive maintenance; the tailless flying-wing assembly is extremely complex.
Yes: Kosovo 1999, Afghanistan 2001, Iraq 2003, Libya 2011, anti-ISIS operations 2015-2019, and Yemen Houthi strikes in 2025.
The Cold War ended; the 132-aircraft plan was cut first to 75, then 21. Per-unit cost exceeded USD 2B and Congress refused further procurement.
The B-21 Raider. Ellsworth AFB receives its first operational squadron in 2027; B-2s phase out through the 2030s as 100+ B-21s come online.
Bottom Line
The B-2 Spirit is the most consequential piece of strategic air power built in the last half-century. Its flying-wing stealth philosophy gave every nation watching it a template for reducing radar cross-section through shape. Turkey drew the lesson and applied it in the ANKA-III unmanned platform — the same flying-wing logic, unmanned, indigenous, and exportable at a fraction of the cost.
Related Reading
B-21 Raider Explained
B-2 replacement — sixth-gen stealth bomber.
Turkish: B-2 Spirit Nedir?
Same article in Turkish with full comparison.
Sources
- Northrop Grumman — B-2 Spirit press page (northropgrumman.com)
- U.S. Air Force — B-2 Spirit official fact sheet (af.mil)
- Wikipedia — Northrop Grumman B-2 Spirit (English)
- Air Force Magazine — B-2 retirement timeline (2023-2025)
- Congressional Research Service — B-2 Spirit Program (2020)
