Editing NATO phonetic alphabet (section)

==Usage==
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A spelling alphabet is used to distinguish those parts of a message that contain letters and digits, because the names of many letters sound similar, for instance ''bee'' and ''pee'', ''en'' and ''em'' or ''ef'' and ''ess''. The potential for confusion increases if static or other interference is present, as is commonly the case with radio and telephonic communication. For instance, the target message "proceed to map grid DH98" would be transmitted as ''proceed to map grid Delta-Hotel-Niner-Ait''. 

Civilian industry uses the code words to avoid similar problems in the transmission of messages by telephone systems. For example, it is often used in the retail industry where customer or site details are conveyed by telephone (for example to authorize a credit agreement or confirm stock codes), although ad-hoc code words are often used in that instance. It has been used by information technology workers to communicate serial numbers and reference codes, which are often very long, by voice. Most major airlines use the alphabet to communicate [[passenger name record]]s (PNRs) internally, and in some cases, with customers. It is often used in a medical context as well.

Several codes words and sequences of code words have become well-known, such as [[Bravo Zulu]] (letter code BZ) for "well done",<ref>{{cite web|url=http://www.chinfo.navy.mil/navpalib/questions/bzulu.html|title=Where does the term "Bravo Zulu" originate?|date=6 March 2005|archive-url=https://web.archive.org/web/20050306051400/http://www.chinfo.navy.mil/navpalib/questions/bzulu.html|archive-date=6 March 2005|access-date=22 August 2010}}</ref> [[Checkpoint Charlie]] (Checkpoint C) in Berlin, and [[Zulu Time]] for [[Greenwich Mean Time]] or [[Coordinated Universal Time]]. During the [[Vietnam War]], the US government referred to the [[Viet Cong]] guerrillas and the group itself as VC, or Victor Charlie; the name "Charlie" became synonymous with this force.