Posted in Dictionary, Government & Military A20 stands for Douglas DB-7 Havoc (US WWII medium bomber) A20 stands for Address Twenty Lines A20 Share Pinterest Tweet Whatsapp Post navigation A1-RB/DOE Leave a Reply Cancel replyYour email address will not be published. Required fields are marked *Comment * Name * Email * Website Save my name, email, and website in this browser for the next time I comment.