SD:DB-73 Heavy Bomber

 is a French Air unit.

Overview
DB-73 was a variant of the DB-7B/Boston III built for a French government order and featuring French instruments and secondary equipment. These aircraft were not delivered due to the fall of France. The Production slots that would become DB-73 were sent the RAF as Boston III.

No. 342 Squadron also known in French as  Groupe de Bombardement n° 1/20 "Lorraine"'' used Douglas Mk IIIA Bostons in No.2 Group during the Normandy Campaign.