C21 information

C-21, C 21, or C21 may refer to:

C21 Sako TRG M10 Sniper Weapon System, Canadian Armed Forces sniper rifle.
C21 (group), a Danish boy band
- C21 (album), 2003
C-21 Dolphin, a flying boat used by the United States Army Air Corps
HMS C21, a 1909 British C class submarine
Learjet C-21, an American military transport aircraft
Sauber C21, a 2002 racing car
Space Adventures C-21, a Russian design for a suborbital rocket plane for Space Adventures
Anal cancer (ICD-10 code: C21)
Center Game (Encyclopaedia of Chess Openings code: C21)
Caldwell 21 or NGC 4449, 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
HMS Glasgow (C21)

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