Maryland Public Safety Section 13-208

      (a)      During a time of duty, a commanding officer may arrest for the period of the time of duty an individual who:

            (1)      trespasses on a camp ground, parade ground, armory, or other place devoted to that duty;

            (2)      disrupts in any way the orderly discharge of duty by those under arms; or

            (3)      interrupts or prevents the passage of troops going to or returning from duty.

      (b)      A commanding officer may prohibit within the limits of a post, camp ground, place of encampment, parade, or drill that is under the command of the officer:

            (1)      the sale or use of alcoholic beverages;

            (2)      huckster or auction sales; and

            (3)      gambling.