(a) The department may purchase from money appropriated to the department and keep ready for use, store, or issue a necessary amount of ordnance, subsistence, medical, signal, engineering, and other supplies.
(b) The department may dispose of or exchange supplies owned by this state that are unfit for further use as the department determines is in the best interest of the Texas military forces.

(c) The department shall provide each state military unit with the arms, equipment, instruction and record books, and other supplies necessary for performance of the duties required of the unit by this chapter. The unit shall keep the property in proper repair and good condition. The department may execute bonds in the name of this state as necessary to obtain this property.