Indiana Code Title 10. Public Safety § 10-16-14-2

Sec. 2. (a) The governor is the commander in chief of the Indiana naval force.

(b) The naval force is under the immediate command and jurisdiction of the adjutant general.  The adjutant general has all the rights, powers, and duties in connection with the naval force as the adjutant general has in connection with the land military forces.

(c) The governor, as commander in chief, may:

the governor considers necessary for the organization, administration, and discipline of the naval force.  The rules must conform, as far as practicable, with the military and naval laws of the state and the United States.