B2, B02, B.II, B.2 or B-2 may refer to: Transportation Aircraft AEG B.II, a German aircraft during World War I Albatros B.II, a 1914 unarmed German two-seat reconnaissance biplane Aviatik B.II, a 1915 German reconnaissance aircraft Blackburn B-2, a British biplane side-by-side trainer aircraft Brantly B-2, a helicopter Curtiss B-2 Condor, an American biplane bomber built before World War II DFW B.II, a 1914 German aircraft Euler B.II, a German Idflieg B-class designation aircraft Farman B.2, a French Farman aircraft Flanders B.2, a 1912 British experimental biplane Fokker B.II (1916), two different German unarmed observation aircraft of World War I Fokker B.II (1923), a 1923 Dutch reconnaissance flying boat Halberstadt B.II, a German Idflieg B-class designation aircraft Lohner B.II LVG B.II, a 1910s German two-seat reconnaissance biplane Northrop Grumman B-2 Spirit, an American stealth bomber of the United States Air Force Avro Vulcan B2, the Mark 2 version of a Royal Air Force V-Bomber aircraft Any Mark 2 bomber aircraft under the British military aircraft designation systems Locomotives Alsace-Lorraine B 2, an Alsace-Lorraine P 1 class steam locomotive Bavarian B II, an 1851 German steam locomotive model GS&WR Class B2, a Great Southern and Western Railway Irish steam locomotive LB&SCR B2 class, a British LB&SCR locomotive class GCR Class 1, classified B2 during ownership, reclassified B19 in 1945 LNER Thompson Class B2, a British class of 4-6-0 steam locomotives rebuilt from B17s NCC Class B2, a Northern Counties Committee Irish steam locomotive Submarines , an American B-class submarine of the US Navy , one of eleven British B class submarines of the Royal Navy Roads Other transport B2 (New York City bus) serving Brooklyn Belavia Belarusian Airlines (IATA airline designator code B2) B2 (İstanbul), a commuter line in İstanbul, also known as the Sirkeci-Halkalı line Marussia B2, a high-performance luxury sports coupé built by Russian automaker Marussia Motors Guangzhou Metro CSR-Zhuzhou Class B EMU, internal callsign B2 for the first batch Computing b2/cafelog, the precursor to the WordPress blogging software B2evolution, a multi-lingual, multi-user, multi-blog publishing system forked from b2/cafelog B2, a subclass of security level B as defined by Trusted Computer System Evaluation Criteria (TCSEC) standards B2, a cloud-based object storage service provided by Backblaze People and characters B2, the name of a character from the Dutch television series Bassie en Adriaan B-2 or B² (B squared), the stage name used by wrestler Barry Buchanan B2, one of a