Logo and Crest Design Samples— A Unique Visual Identity — A Custom Designed Identity —Logo and crest designs for corporate ID purposes are one of the more enjoyablechallenges in the graphic design field because the mix between visual appeal andidentification must be unique as well as informative, and that creates an excitingartistic and creative challenge. This process is often called "branding", "brandidentity" or "brand association".Police, fire service, military and civil service crests & logos add yet another dimension to the design process in that they must inspire as well. The designer mustalso consider in this process the impression given to the general public, takingcarefully into account all possible reactions to a particular design.Designing a logo or crest should always be regarded as a careful task. Once "presented to the world" it should not be changed unless it's to update an established logo or crest to reflect changing times or some form of significant structural change within the organization. The winged emblem of the United States Air Force is a good example of this as it evolved from a rounded look to something more 'space age'