B3, B03, B.III or B-3 may refer to:
Military
American bombers
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Keystone B-3
The Keystone B-3A was a bomber aircraft developed for the United States Army Air Corps by Keystone Aircraft in the late 1920s.
Design and development
The B-3 was originally ordered as the LB-10A (a single-tail modification of the Keystone LB-6) ...
, a biplane bomber of the United States Army Air Corps
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Next-Generation Bomber
The Next-Generation Bomber (NGB; unofficially called 2018 Bomber) was a program to develop a new medium bomber for the United States Air Force. The NGB was initially projected to enter service around 2018 as a stealthy, subsonic, medium-range, m ...
(2018 Bomber), next bomber follow-on to the B-2 stealth bomber program
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Long Range Strike Bomber program
The Long Range Strike Bomber (LRS-B) is a development and acquisition program to develop a long-range strategic bomber for the United States Air Force, intended to be a heavy-payload stealth aircraft capable of delivering thermonuclear weapons. ...
, 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
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AEG B.III, a German reconnaissance aircraft
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Albatros B.III, a German Idflieg B-class designation aircraft
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Aviatik B.III, a 1916 Austro-Hungarian reconnaissance aircraft
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Euler B.III, a German Idflieg B-class designation aircraft
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Fokker B.III (disambiguation), two aircraft models
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Halberstadt B.III, a German Idflieg B-class designation aircraft
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Kampfgeschwader 54
''Kampfgeschwader'' 54 "Totenkopf" (, KG 54) was a Luftwaffe bomber wing during World War II. It served on nearly all the fronts in the European Theatre where the German Luftwaffe operated.
KG 54 was formed in May 1939. The bomber wing was equi ...
, from its historic ''Geschwaderkennung'' code with the Luftwaffe in World War II
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Lohner B.III
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LVG B.III, a 1910s German two-seat trainer biplane
Submarines
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USS ''B-3'' (SS-12), a United States Navy submarine
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HMS ''B3'', a British B class submarine of the Royal Navy
Civilian transportation
Roads
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B3 road (Kenya)
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B3 road (Namibia)
B3 is a national highway of Namibia. It passes through the ǁKaras Region of Namibia in the south for , connecting the B1 at Grünau to the South African border at Nakop via the town of Karasburg. In South Africa the highway continues as the N ...
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Bundesstraße 3, a German national highway
Trains
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Alsace-Lorraine B 3, an
Alsace-Lorraine P 1 class steam locomotive
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Bavarian B III, an 1852 German steam locomotive model
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NCC Class B3, an 1890 Irish 4-4-0 passenger steam locomotive
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NSB B3 (Class 3), Norwegian railway carriages
Other
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B3 (New York City bus) serving Brooklyn
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Bellview Airlines
Bellview Airlines was an airline headquartered at Bellview Plaza in Ikeja, Lagos State, Nigeria. Founded in 1992 and having had 308 employees, it operated scheduled passenger flights within Africa as well as to London out of Murtala Mohammed Int ...
(International Air Transport Association code B3)
Biology and medicine
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B3 (classification)
B3 is a medical based Paralympic classification for blind sport. Competitors in this classification have partial sight, with visual acuity from 2/60 to 6/60. It is used by a number of blind sports including para-alpine skiing, para-Nordic s ...
, a medical-based Paralympic disability sport classification for blind sport
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B3 domain, a highly conserved plant DNA-binding domain
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Procyanidin B3, a plant phenolic compound
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ATC code B03 ''Antianemic preparations'', a subgroup of the Anatomical Therapeutic Chemical Classification System
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Prodelphinidin B3
Prodelphinidin B3 is a prodelphinidin dimer found in food products such as barley and beer, in fruits and pod vegetables. It can also be found in pomegranate
The pomegranate (''Punica granatum'') is a fruit-bearing deciduous shrub in the fami ...
, a plant phenolic compound
*
Vitamin B3 (niacin)
Computing
* A
TCSEC
Trusted Computer System Evaluation Criteria (TCSEC) is a United States Government Department of Defense (DoD) standard that sets basic requirements for assessing the effectiveness of computer security controls built into a computer system. The TCS ...
security class in the Trusted Computer System Evaluation Criteria
* "B3 Coin" a
cryptocurrency
Engines
* A type of four-cylinder
Mazda B engine
The Mazda B-series engine - not to be confused with the Mazda B-Series truck - is a small-sized, iron-block, inline four-cylinder with belt-driven SOHC and DOHC valvetrain ranging in displacement from 1.1 to 1.8 litres. It was used from front-wh ...
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Benz B.III, an engine powering the 1914
Friedrichshafen FF.33 German aircraft
Music
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B3 (band), an American boy band most popular in Germany
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''B3'' (EP), a 2012 EP by alternative rock band Placebo
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Hammond B-3
The Hammond organ is an electric organ invented by Laurens Hammond and John M. Hanert and first manufactured in 1935. Multiple models have been produced, most of which use sliding drawbars to vary sounds. Until 1975, Hammond organs generated ...
, an electric organ
Other uses
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B3 (stock exchange)
B3 S.A. - Brasil, Bolsa, Balcão (in English, ''B3 - Brazil Stock Exchange and Over-the-Counter Market''), formerly BM&FBOVESPA, is a stock exchange located in São Paulo, Brazil, and the second oldest of the country.
Its current form can be trac ...
*
, the
Bochvar logic in calculus
* B03,
Alekhine's Defence
The Alekhine's Defence is a chess opening that begins with the moves:
:1. e4 Nf6
Black tempts White's pawns forward to form a broad , with plans to undermine and attack the white structure later in the spirit of hypermodern defence. White's im ...
chess code
*
B3: Battle by the Bay, a 1996 ''Street Fighter'' tournament
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B3 oil field, an oil and gas field in the Baltic sea
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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
Town and country planning in the United Kingdom is the part of English land law which concerns land use planning. Its goal is to ensure sustainable economic development and a better environment. Each country of the United Kingdom has its own ...
* An
ISO 216 international standard that defines paper size
* B
3 the chemical formula for
triboracyclopropenyl
{{Letter-Number Combination Disambiguation
