Data Quality83%
MASS(Military Archive Scoring System)
ⓘ Regardless of era, the same scoring system applies to all units in the strategic bombers category.
01 / Overview
North American XB-70 Valkyrie
💰 PERFORMANCE / PRICE ASSESSMENT Methodology ↗
STRATEGIC BOMBERS · COLD WAR
7
PERFORMANCE/PRICE
5
UNIT COST (2025 USD)
—
ⓘ Performance/Price and MASS score are computed across all units in the strategic bombers category, regardless of era.
02 / Specs & Design
◎General5MOD.5
- First Flight1964
- Crew2
- Primary RolePrototype supersonic strategic bomber
- Generation3rd
- In ServiceNo
◈Powerplant6MOD.6
- Engine TypeTurbojet
- Engine ModelGeneral Electric YJ93
- Number of Engines6
- AfterburnerYes
- SupercruiseYes
- Thrust VectoringNo
▣Performance3MOD.3
- Top Speed3,255 km/h
- Top Speed (Mach)3.08 Mach
- Service Ceiling22,555 m
◇Dimensions & Weights4MOD.4
- Length59.13 m
- Wingspan32 m
- Height9.14 m
- Wing Area585
◆Armament7MOD.7
- Hardpoints0
- Internal GunNone
- Internal Weapons BayYes
- Air-to-Air MissilesNo
- Air-to-Ground MissilesNo
- Anti-Ship MissilesNo
- Nuclear CapableYes
▤Avionics & Stealth8MOD.8
- RadarAN/ASQ-28
- AESA RadarNo
- Stealth / Low ObservableNo
- IRSTNo
- Electronic Warfare SuiteNo
- Helmet-Mounted SightNo
- Tactical DatalinkNo
- Targeting PodNo
⬢Production3MOD.3
- Total Built2
- Operators1
- Variants4
▲Service History4MOD.4
- Retirement Year1969
- Production Start1964
- Production End1969
- Operational StatusRetired
03 / History
SERVICE LIFESPANStill in Service
- 1964Entered service
- 1969Production started
57
years in service
0
years in production
2
units produced
1
countries operating
ⓘ The producing country still actively operates it.
05 / MASS Score
STRATEGIC BOMBERS RANKING Strategic Bombers · Cold War
MASS RANKINGSMASS ↗
28STRATEGIC BOMBERS7COLD WAR · STRATEGIC BOMBERS797UNITED STATES · ALL WEAPONS154PERFORMANCE/PRICE · STRATEGIC BOMBERS
ⓘ Rankings are within theStrategic Bomberscategory.
📖 TERMS ON THIS PAGE4terms
An afterburner is a device that injects fuel into a jet engine's hot exhaust gases, generating additional thrust through combustion.
An internal compartment within a military aircraft designed to store and deploy weapons, reducing radar cross-section and aerodynamic drag.
Relating to or using nuclear energy, typically fission, for propulsion or power generation in military vessels.
Supercruise is the ability of an aircraft to sustain supersonic speed in level flight without using afterburner.
These terms are listed automatically because they appear on this page.full encyclopedia →
📚 Sources