Martin MBT, 1921 00077

---

Size: 1596px × 1251px
Photo credit: © PF-(sdasm4) / Alamy / Afripics
License: Licensed
Model Released: No

Keywords: -12, -12a, ., 12, 12a, aircraft, airplane, aviation, biplane, bomber, company, diego, engine, glenn, glennlmartincompany, historic, history, l12, l12a, liberty, liberty12, liberty12a, libertyengine, libertyl12, libertyl12a, martin, martinmb1, martinmbt, mb-1, mb1, mbt, military, militaryaviation, plane, san, torpedo, torpedobomber