Explanation: The various principle documents of transformation are as follows: CNSSP 22: It establishes a national risk management policy for national security systems. CNSSI 1199: It creates the technique in which the national security community classifies the information and information systems with regard to confidentiality, integrity, and availability. CNSSI 1253: It combines DCID 6/3, DOD Instructions 8500.2, NIST SP 800-53, and other security sources into a single cohesive repository of security controls. CNSSI 1253 A. It offers the techniques to assess adequacy of each security control. CNSSI 1260: It provides guidance to organizations with the characterization of their information and information systems. NIST 800-37, Revision 1: It defines the certification and accreditation (C & A) process. The NIST 800-37, Revision 1 is a combination of DNI, DoD, and NIST.