B3 — Mediated Wiki

{{wiktionary|B3|b3}} '''B3''', '''B03''', '''B.III''' or '''B-3''' may refer to: {{TOC right}}

==Military==

===American bombers=== * Keystone B-3, a biplane bomber of the United States Army Air Corps * Next-Generation Bomber (2018 Bomber), next bomber follow-on to the B-2 stealth bomber program * Long Range Strike Bomber program, successor program to the 2018 Bomber program ** Northrop Grumman B-21, a successor aircraft to the B-1 and B-52 bombers

===German and Austro-Hungarian aircraft=== * AEG B.III, a German reconnaissance aircraft * Albatros B.III, a German Idflieg B-class designation aircraft * Aviatik B.III, a 1916 Austro-Hungarian reconnaissance aircraft * Euler B.III, a German Idflieg B-class designation aircraft * Fokker B.III (disambiguation), two aircraft models * Halberstadt B.III, a German Idflieg B-class designation aircraft * Kampfgeschwader 54, from its historic ''Geschwaderkennung'' code with the Luftwaffe in World War II * Lohner B.III * LVG B.III, a 1910s German two-seat trainer biplane

===Submarines=== * USS ''B-3'' (SS-12), a United States Navy submarine * HMS ''B3'', a British B class submarine of the Royal Navy

==Civilian transportation==

===Roads=== * B3 road (Kenya) * B3 road (Namibia) * Bundesstraße 3, a German national highway

===Trains=== * Alsace-Lorraine B 3, an Alsace-Lorraine P 1 class steam locomotive * Bavarian B III, an 1852 German steam locomotive model * NCC Class B3, an 1890 Irish 4-4-0 passenger steam locomotive * NSB B3 (Class 3), Norwegian railway carriages * LNER Class B3, a British locomotive class

===Other=== * B3 (New York City bus) serving Brooklyn * B3, a spur of the B (SEPTA Metro) in Philadelphia, PA, US *Bellview Airlines (International Air Transport Association code B3)

==Biology and medicine== * Vitamin B<sub>3</sub> (niacin) * B3 (classification), a medical-based Paralympic disability sport classification for blind sport * B3 domain, a highly conserved plant DNA-binding domain * Procyanidin B3, a plant phenolic compound * ATC code B03 ''Antianemic preparations'', a subgroup of the Anatomical Therapeutic Chemical Classification System * Prodelphinidin B3, a plant phenolic compound

==Computing== * A TCSEC security class in the Trusted Computer System Evaluation Criteria * "B3 Coin" a cryptocurrency

==Engines== * A type of four-cylinder Mazda B engine * Benz B.III, an engine powering the 1914 Friedrichshafen FF.33 German aircraft

==Music== * B3 (band), an American boy band most popular in Germany * ''B3'' (EP), a 2012 EP by alternative rock band Placebo * Hammond B-3, an electric organ

==Other uses== * B3 (stock exchange) * <math>B_3^I</math>, the Bochvar logic in calculus * B03, Alekhine's Defence chess code * B3: Battle by the Bay, a 1996 ''Street Fighter'' tournament * B3 oil field, an oil and gas field in the Baltic sea * Model B3 chair, a 1925 German Wassili designer chair * A subclass of B-class stars in stellar classification * a permission code for Town and country planning in the United Kingdom * Big Beautiful Bill, a 2025 omnibus bill proposed by POTUS Donald Trump * An ISO 216 international standard that defines paper size * B<sub>3</sub> the chemical formula for triboracyclopropenyl

==See also== {{canned search|B3|B-3|B3's|B3s}} * {{intitle|B-3}} * {{intitle|B3}} * BE (disambiguation) * 3B (disambiguation) * BBB (disambiguation)