The first U.S.-designed bomber produced in large numbers, serving as the Army Air Service’s principal multi-engine bomber in the early 1920s.
Development
Martin MB-2 / NBS-1 was developed by Glenn L. Martin Company in United States as a bomber. The family entered service in 1920. Its recorded airframe configuration is fixed wing, with the family classified in the archive as core combat-aircraft scope.
Operational History
Operationally, Martin MB-2 / NBS-1 is represented primarily in the bomber role. The sourced variant records include service with United States Army Air Service. The current structured record does not attach a specific conflict authority to this family; operational context remains limited to sourced service and role data. Role tags attached to the family include tactical bomber.
Variants and Lineage
Major variants represented in the structured record include NBS-1.
Variants
| Designation | Type | Role | Recorded operators |
|---|---|---|---|
| NBS-1 | Production | Bomber | United States Army Air Service |
Representative specifications
Configuration-specific profiles are shown separately so values from different variants are not blended into one false “standard” aircraft.
NBS-1 — C024 official-museum technical baseline
- Crew
- 4
Armament: Five .30-caliber machine guns and a maximum 3,000-lb bomb load.
Sources and further reading
Structured references supporting this aircraft family, variants, specifications, and narrative sections.
- Martin MB-2 (NBS-1) — National Museum of the United States Air Force · Tier 2