Keywords: sdasm aviation aeronautics aircraft airplane biplane bomber military aviation militaryaviation glenn l. martin company glennlmartincompany martin martin aircraft martinaircraft martin nbs-1 martinnbs1 nbs-1 nbs1 martin mb martinmb martin mb-2 martinmb2 mb-2 mb2 liberty engine libertyengine liberty 12 liberty12 liberty l-12 libertyl12 liberty 12a liberty12a liberty l-12a libertyl12a l-12a l12a blackandwhite monochrome outdoor black and white Catalog #: 00025874 Manufacturer: Martin Designation: MB-2 Official Nickname: Notes: Repository: San Diego Air and Space Museum Archive Catalog #: 00025874 Manufacturer: Martin Designation: MB-2 Official Nickname: Notes: Repository: San Diego Air and Space Museum Archive |