C-21, C 21, or C21 may refer to:
* C21
Sako TRG M10 Sniper Weapon System, Canadian Armed Forces
sniper rifle
A sniper rifle is a high-precision, long-range rifle. Requirements include accuracy, reliability, mobility, concealment and optics for anti-personnel, anti-materiel and surveillance uses of the military sniper. The modern sniper rifle is a por ...
.
*
C21 (group)
C21 was a Danish boy band consisting of three key members: Søren Bregendal (vocals, lyricist, producer and keyboards), Esben Duus (vocals, lyricist and guitar), and David Pepke (vocals, lyricist and guitar). The band has sold more than 40,000 c ...
, a Danish boy band
**
''C21'' (album), 2003
*
C-21 Dolphin, a flying boat used by the United States Army Air Corps
* , a 1909 British C class submarine
*
Learjet C-21, an American military transport aircraft
*
Sauber C21
The Sauber C21 was the car with which the Sauber team competed in the Formula One season. The car was driven by Nick Heidfeld, Felipe Massa and Heinz-Harald Frentzen.
Concept
The C21 chassis was an evolution of 's successful C20, which had secu ...
, a 2002 racing car
*
Space Adventures C-21
Cosmopolis XXI was a late 2000s Russian concept launch vehicle billed as a space tourism vehicle, similar to Mojave Aerospace's Tier One program. Designed and built by the Myasishchev Design Bureau, it would use the M-55X launch aircraft (derive ...
, a Russian design for a suborbital rocket plane for Space Adventures
*
Anal cancer (ICD-10 code: C21)
*
Center Game
The Center Game is a chess opening that begins with the moves:
:1. e4 e5
:2. d4 exd4
The game usually continues 3.Qxd4 Nc6, with a gain of tempo for Black due to the attack on the white queen. (Note that 3.c3 is considered a separate open ...
(Encyclopaedia of Chess Openings code: C21)
* Caldwell 21 or
NGC 4449
NGC 4449, also known as Caldwell 21, is an irregular Magellanic type galaxy in the constellation Canes Venatici, being located about 13 million light-years away. It is part of the M94 Group or Canes Venatici I Group that is relatively close t ...
, an irregular galaxy in the constellation Canes Venatici
*
Carbon-21 (C-21 or
21C), an isotope of carbon
* ''
Catch 21'', a television game show based on blackjack
*
See also
*
21st century
The 21st (twenty-first) century is the current century in the ''Anno Domini'' era or Common Era, under the Gregorian calendar. It began on 1 January 2001 ( MMI) and will end on 31 December 2100 ( MMC).
Marking the beginning of the 21st centur ...
*
Century 21 (disambiguation) Century 21 may refer to:
* Century 21 (department store)
* Century 21 (political party)
* Century 21 (real estate)
* Century 21 Exposition
The Century 21 Exposition (also known as the Seattle World's Fair) was a world's fair held April 21, 1962 ...
*
21c (disambiguation) 21c or 21C may refer to:
* ''21c'' (TV series), a Canadian newsmagazine
*21c Museum Hotel, an American hotel chain
* Carbon-21 (21C), an isotope of carbon
* Czinger 21C, an American hybrid supercar
See also
*21st century
*MIKE 21C
*''Techno Police ...
{{letter-number combination disambiguation