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L3, L03, L.3 or L-3 may refer to:


In arts and media

*
Live, Loud & Local The Matches are an American rock music, rock band from Oakland, California, initially active from 1997 to 2009. Formed as the Locals, the group changed their name after five years to avoid conflict with a Chicago band of the same name. As the Ma ...
, a show launched by band The Matches in the Oakland, California region * '' Leprechaun 3'', a film * L3-37, a droid in ''Solo: A Star Wars Story'' *
Lower third In the television industry, a lower third is a graphic overlay placed in the title-safe lower area of the screen, though not necessarily the entire lower third of it, as the name suggests. In its simplest form, a lower third can just be tex ...
, in television and film a graphic overlay placed in the title-safe lower area of the screen.


Businesses

*
L3 Technologies L3 Technologies, formerly L-3 Communications Holdings, was an American company that supplied command and control, communications, intelligence, surveillance and reconnaissance ( C3ISR) systems and products, avionics, ocean products, training ...
, an American electronics and defence company *
L3Harris Technologies L3Harris Technologies, Inc. is an American technology company, defense contractor, and information technology service (economics), services provider that produces products for command and control systems, wireless equipment, tactical radios, avi ...
, the successor to L3 Technologies following the merger with Harris Corporation in 2019 * DHL De Guatemala (IATA code L3), a cargo airline based in Guatemala *
LTU Austria LTU Austria (legally ''LTU Billa Lufttransport Unternehmen GmbH'') was an Austrian airline based in Vienna. It operated charter services to destinations in the Mediterranean and Red Sea. Its main base was Vienna Airport. History The airline was ...
(IATA code L3), an airline based in Austria


In science and technology


Biology and medicine

* L3, the third
lumbar vertebra The lumbar vertebrae are located between the thoracic vertebrae and pelvis. They form the lower part of the back in humans, and the tail end of the back in quadrupeds. In humans, there are five lumbar vertebrae. The term is used to describe the ...
, in human anatomy * the third larval stage in the ''
Caenorhabditis elegans ''Caenorhabditis elegans'' () is a free-living transparent nematode about 1 mm in length that lives in temperate soil environments. It is the type species of its genus. The name is a Hybrid word, blend of the Greek ''caeno-'' (recent), ''r ...
'' worm development * ATC code L03 ''Immunostimulants'', a subgroup of the Anatomical Therapeutic Chemical Classification System *
Haplogroup L3 (mtDNA) Haplogroup L3 is a Human mitochondrial DNA haplogroup, human mitochondrial DNA (mtDNA) haplogroup. The clade has played a pivotal role in the early dispersal of anatomically modern humans. It is strongly associated with the Southern Dispersal, o ...
, a human mitochondrial DNA (mtDNA) haplogroup generally found in East Africa


Computing and telecommunications

* L-3, an
L-carrier The L-carrier system was one of a series of carrier systems developed by AT&T for high-capacity transmission for long-distance communications. It was the first designed to handle hundreds of Voice frequency, voice frequency telephone lines, compared ...
cable system developed by AT&T * L3 microkernel, a microkernel operating system by German computer scientist Jochen Liedtke * The Level-3
CPU cache A CPU cache is a hardware cache used by the central processing unit (CPU) of a computer to reduce the average cost (time or energy) to access data from the main memory. A cache is a smaller, faster memory, located closer to a processor core, whi ...
in a computer *
ISO/IEC 8859-3 ISO/IEC 8859-3:1999, ''Information technology — 8-bit single-byte coded graphic character sets — Part 3: Latin alphabet No. 3'', is part of the ISO/IEC 8859 series of ASCII-based standard character encodings, first edition published in 1988. I ...
(Latin-3), an 8-bit character encoding * L3
technical support Technical support, commonly shortened as tech support, is a customer service provided to customers to resolve issues, commonly with consumer electronics. This is commonly provided via call centers, online chat and email. Many companies provid ...
, the highest level dealing with the most difficult or advanced problems.


Transportation


Air- and spacecraft

*
Aeronca L-3 The Aeronca L-3 group of observation and liaison aircraft were used by the United States Army Air Corps in World War II. The L-3 series were adapted from Aeronca's pre-war Aeronca 50 Chief, Tandem Trainer and Chief models. Design and developme ...
Grasshopper, a light airplane used by the USAAF during World War II * Avia L.3, an Italian plane used for training by the Regia Aeronautica * Macchi L.3, a 1916 Italian biplane flying boats * Soyuz 7K-L3, a crewed lunar lander design type in Russia's Soyuz space program ** N1/L3, the Soviet crewed lunar landing program


Other modes of transportation

* L3/33 and L3/35, Italian tankettes used in World War II * L03, a
Chevrolet Small-Block engine The Chevrolet small-block engine refers to one of the several Gasoline engine, gasoline-powered vehicle engines manufactured by General Motors. These include: * The first or second generation of Chevrolet small-block engine (first- and second-gener ...
model *
Soviet submarine L-3 ''L-3'' was one of six Series II Submarine hull, double-hulled Leninets-class submarine, ''Leninets'' or ''L''-class minelayer submarines built for the Soviet Navy during the early 1930s. ''L-3'' had initially been named ''Bolshevik'' and had been ...
, a 1931 Leninets class minelayer submarine * SP&S Class L-3, an 1883 steam locomotives class * L3 (New York City bus), a temporary bus route in New York City * LNER Class L3, a class of British steam locomotives * The Kingsford branch of the
CBD and South East Light Rail The CBD and South East Light Rail is a pair of Light rail in Sydney, light rail lines running between Sydney CBD, Sydney's central business district (CBD) and the Eastern Suburbs (Sydney), south-eastern suburbs of Sydney, New South Wales, Austr ...
in Sydney, Australia, is numbered L3 * L3, an S-Bahn line of the Léman Express in Switzerland and France


Other uses in science and technology

* L3, a form of low-alloy special purpose steel *
L3 (CERN) L3, L03, L.3 or L-3 may refer to: In arts and media * Live, Loud & Local, a show launched by band The Matches in the Oakland, California region * ''Leprechaun 3'', a film * L3-37, a droid in ''Solo: A Star Wars Story'' * Lower third, in television ...
, one of the four detectors of the Large Electron-Positron Collider * L3 (length^3),
volume Volume is a measure of regions in three-dimensional space. It is often quantified numerically using SI derived units (such as the cubic metre and litre) or by various imperial or US customary units (such as the gallon, quart, cubic inch) ...
* The third
Lagrange Point In celestial mechanics, the Lagrange points (; also Lagrangian points or libration points) are points of equilibrium for small-mass objects under the gravitational influence of two massive orbiting bodies. Mathematically, this involves t ...
in a gravitational system * Latitude/Longitude Locator, an
STS-32 STS-32 was the 33rd mission of NASA's Space Shuttle program, and the ninth launch of . Launched on January 9, 1990, it marked the first use of Kennedy Space Center Launch Complex 39A since 1986; it also marked the first use of Mobile launcher p ...
Space Shuttle mission experiment


See also

* 3L (disambiguation) * LLL (disambiguation) * Level 3 (disambiguation) *
L band The L band is the Institute of Electrical and Electronics Engineers (IEEE) designation for the range of frequencies in the radio spectrum from 1 to 2 gigahertz (GHz). This is at the top end of the ultra high frequency (UHF) band, at the lower en ...
, radio frequencies in the electromagnetic spectrum {{Letter-Number Combination Disambiguation