JP 3-28, page 113

Department of Defense Dual-Status Commander D-5 (6) Ensures a sufficient number of regular USA and USAF officers are trained and certified to serve as a DSC. (7) In coordination with the CNGB, ensures each state has the opportunity to train and certify at least one ARNG or ANG officer to be designated to serve as a DSC. (8) Maintains and updates, every six months, a list of qualified officers trained and certified to be designated to serve as a DSC. (9) To the extent practicable, exercises DSC employment by leveraging existing exercise programs, including federal exercises linked to the National Exercise Program and, in coordination with the CNGB, state exercises. (10) When necessary, and in coordination with the CJCS, recommends SecDef grant a one-time waiver for the training and certification required by a regular USA or USAF officer to be designated to serve as a DSC. (11) When requested, and in coordination with the CJCS and the CNGB, advises SecDef on the granting of a one-time waiver requested by a governor for the training and certification required for an ARNG or ANG officer to be designated to serve as a DSC. c. The CNGB, under the authority, direction, and control of SecDef, normally through the CJCS: (1) Serves as the channel of communications for all matters pertaining to the NG between DOD components and the states IAW DODD 5105.77, National Guard Bureau (NGB). (2) Serves as an advisor to the CCDRs on NG matters pertaining to the CCMD missions, and support planning and coordination for DSCA activities as requested by the CJCS or the CCDRs. (3) In coordination with CDRUSNORTHCOM or CDRUSINDOPACOM, as appropriate, maintains and manages the program for training and certifying qualified officers to be designated to serve as a DSC. (4) In coordination with CDRUSNORTHCOM or CDRUSINDOPACOM, as appropriate, verifies the eligibility of ARNG and ANG officers approved by their governors for training and certification to be designated to serve as a DSC by confirming that the nominated officer is federally recognized and eligible for authority to command federal military forces. (5) In coordination with CDRUSNORTHCOM or CDRUSINDOPACOM, as appropriate, schedules ARNG and ANG officers approved by their governors and verified as eligible for training and certification to be designated to serve as a DSC.