The Department of Military Affairs shall assist the Adjutant General in carrying out the duties of that office and shall also consult with the Adjutant General in carrying out the following duties:
(1) Make such changes in the military organization of the Delaware National Guard as are necessary from time to time to conform to the requirements of the laws of the United States and the directives of the National Guard Bureau.
(2) Fix the location of units and headquarters of the Delaware National Guard and shall, subject to the approval of the National Guard Bureau, transfer, attach, consolidate or inactivate any organization or unit, when in its judgment the efficiency of the Delaware National Guard presently existing will be increased thereby.
(3) Establish awards and decorations and approve the design therefor.