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Witteman-Lewis XNBL-1 Military
Mitsubishi Heavy Industries B1M Military
Quick facts
Manufacturer—Mitsubishi Heavy Industries
TypeBombersBombers
Origin🇺🇸 United States Empire of Japan
First flight19231923
StatusRetiredRetired
Units built1443
Unit cost——
Powerplant
Engine modelLiberty L-12A—

At a glance

Units built

Witteman-Lewis XNBL-1
1
Mitsubishi Heavy Industries B1M
443

Figures are compiled from public sources and may be approximate; they can vary by variant and configuration.