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CALS (file format extension)

Format originator: U.S. Department of Defense

The CALS file format was created as a graphics format specification by The Department of Defense to standardize the data exchange of logistics support operations across the military branches and military contractors. It is mandatory for most military document-handling applications. It is no longer used solely by the military and its contractors; other government agencies and commercial businesses have also adopted this format, including the aerospace, commercial computer, and medical industries.

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