The security classification guide (SCG) is a comprehensive guideline. The new document will be classified as 'S' and use the secret concept to define the derivative classification.
Security Classification Guide (SCG) is the complete collection of the system, specific program, and weapon system. It is used to make classified documents.
The document will be classified 'S' as it states the mission will be jointly done by corps and army and the location will be delivered on the day of the departure.
Therefore, the new document will be classified as 'S.'
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