RE: [Fwd: flanker New China Radar technology threatens US Stealth Aircraft!]

> From: Nathan Pettigrew [mailto:nathanp@MICROSOFT.com]
> BTW, can any naval types tell me what "caliber" refers to on 
> the big guns?
> i.e. 5"/54  It's obvious that it's a 5in gun, but I don't 
> know what the 54
> refers to.

Caliber, in navy language, is a rating of the barrel length in terms of
its
interior diameter.

ie - 5''/54 cal gun is a 5in gun with a barrel (54*5 =)270 inches in
length.

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