1A or 1-A may refer to:

Arts and entertainment

1A (comics) Magnus, Robot Fighter is a fictional superhero who battles rogue robots in the year 4000, appearing in comic books created by writer/artist Russ Manning in 1963.Steve Holland, ''Sci-Fi Art: A Graphic History''. Lewes: ILEX, 2009. . .pp. 102–10 ...

, a comic book robot * ''1A'' (radio program), an American radio program

Politics

* *

First Amendment (disambiguation) The First Amendment or Amendment One/1 may refer to: Amendments to national constitutions *First Amendment to the United States Constitution The First Amendment (Amendment I) to the United States Constitution prevents Federal government ...

, the first amendment of various legislation

Science and technology

* Group 1A, an obsolete designation for the

group 1 element The alkali metals consist of the chemical elements lithium (Li), sodium (Na), potassium (K),The symbols Na and K for sodium and potassium are derived from their Latin names, ''natrium'' and ''kalium''; these are still the origins of the names ...

s *

AMY1A Alpha-amylase 1 is an enzyme that in humans is encoded by the polich gene In biology, the word gene has two meanings. The Mendelian gene is a basic unit of heredity. The molecular gene is a sequence of nucleotides in DNA that is transcribe ...

, a human gene *

Alpha-1A adrenergic receptor The alpha-1A adrenergic receptor (α1A adrenoreceptor), also known as ADRA1A, formerly known also as the alpha-1C adrenergic receptor, is an alpha-1 adrenergic receptor, and also denotes the human gene encoding it. There is no longer a subtype � ...

, a human gene *

Interferon beta-1a Interferon beta-1a (also interferon beta 1-alpha) is a cytokine in the interferon family used to treat multiple sclerosis (MS). It is produced by mammalian cells, while interferon beta-1b is produced in modified ''E. coli''. Some research indic ...

, a drug *

Meltwater pulse 1A Meltwater pulse 1A (MWP1a) is the name used by Quaternary geologists, paleoclimatologists, and oceanographers for a period of rapid post-glacial sea level rise, between 14,700 and 13,500 years ago, during which the global sea level rose betwee ...

, a period of rapid post-glacial sea level rise, 13,500–14,700 years ago *

Melatonin receptor 1A Melatonin receptor type 1A is a protein that in humans is encoded by the ''MTNR1A'' gene. Function This gene encodes the MT1 protein, one of two high-affinity forms of a receptor for melatonin, the primary hormone secreted by the pineal gland. ...

, a human gene * Metallothionein 1A, a human gene *

MH-1A MH-1A was the first floating nuclear power station. Named ''Sturgis'' after General Samuel D. Sturgis III, this pressurized water reactor built in a converted Liberty ship was part of a series of reactors in the US Army Nuclear Power Program, w ...

, a nuclear power reactor and the first floating nuclear power station *

Vasopressin receptor 1A Vasopressin receptor 1A (V1AR), or arginine vasopressin receptor 1A (officially called AVPR1A) is one of the three major receptor types for vasopressin ( AVPR1B and AVPR2 being the others), and is present throughout the brain, as well as in the ...

, a major receptor type for vasopressin

Sports

Croatian 1A Volleyball League The Croatian 1-A Volleyball League is the highest level of volleyball competition in Croatia. It is organized by the Croatian Volleyball Federation. It was founded in 1992. Croatian Volleyball League and Cup winners - Men Croatian Volleyball ...

* 1. A SKL, the 2002–2006 name of

Premier A Slovenian Basketball League The Slovenian Basketball League (), abbreviated as 1. SKL and known as the Liga OTP banka due to sponsorship reasons, is the top-level professional men's basketball league in Slovenia. The league is operated by the Basketball Federation of Sloven ...

Transportation, military and space

Adcox 1-A The Adcox Aviation Trade School was established in Portland, Oregon in the 1910s. Aircraft created there as student projects starting in the late 1920s include the Adcox Special, Adcox Student Prince, and Adcox Cloud Buster. The Adcox school ...

, an American 1929 biplane *

Astra 1A Astra 1A was the first satellite launched and operated by SES (Société Européenne des Satellites), launched in December 1988. During its early days, it was often referred to as the Astra Satellite, as SES only operated one satellite origi ...

, a 1988 satellite *

Class 1-A The Selective Service System (SSS) is an independent agency of the United States government that maintains a database of registered male U.S. citizens and other U.S. residents potentially subject to military conscription (i.e., the draft). A ...

, an American military service classification *

Little Joe 1A Little Joe 1A (LJ-1A) was an uncrewed rocket launched as part of NASA's Mercury program on November 4, 1959. This flight, a repeat of the Little Joe 1 (LJ-1) launch, was to test a launch abort under high aerodynamic load conditions. After lift-off ...

, a 1959 unmanned NASA launch *

Mercury-Redstone 1A Mercury- Redstone 1A (MR-1A) was launched on December 19, 1960 from LC-5 at Cape Canaveral, Florida. The mission objectives of this uncrewed suborbital flight were to qualify the spacecraft for space flight and qualify the system for an upcomin ...

, a 1969 NASA mission *

Packard 1A-1500 The Packard 1A-1500 was an American 12-cylinder liquid-cooled 60-degree Vee piston aircraft engine designed in 1924.Gunston 1989, p.109. Test flown in the second prototype Douglas XO-2, it proved to be unreliable. Only 29 engines ...

, a 1929 piston aircraft engine *

Shin Meiwa US-1A The Shin Meiwa PS-1 and US-1A is a large STOL aircraft designed for anti-submarine warfare (ASW) and air-sea rescue (SAR) work respectively by Japanese aircraft manufacturer Shin Meiwa. The PS-1 anti-submarine warfare (ASW) variant is a flying ...

, a Japanese anti-submarine warfare aircraft *

Sisu 1A __NOTOC__ The Sisu 1A is a competition sailplane built in the United States in the late 1950s and early 1960s. Originally designed by Leonard Niemi as a homebuilt sailplane, its first flight in 1958 showed such promise that Niemi decided instea ...

, an American 1950s sailplane *

Türksat 1A Türksat 1A was a Turkish communications satellite as part of a project to form an instant network with two geosynchronous satellites that is supervised by the companies Türksat A.Ş. in Turkey and Aérospatiale of France. Turkey's first spacec ...

, a Turkish satellite *

List of highways numbered 1A The following highways are numbered 1A: Canada * Alberta Highway 1A * British Columbia Highway 1A * Manitoba Highway 1A * Prince Edward Island Route 1A Germany * Bundesstraße 1a, a German road Greece * Greek National Road 1a, EO1a road, re ...

Arts and entertainment

Politics

Science and technology

Sports

Transportation, military and space

See also