Md. Code, Public Safety § 13-203
§13–203.
(a) There are two classes of State militia:
(1) the organized militia; and
(2) the unorganized militia.
(b) The organized militia of the State consists of:
(1) the National Guard;
(2) the Inactive National Guard; and
(3) the Maryland Defense Force.
(c) The unorganized militia consists of those individuals described under § 13-202 of this subtitle but who are not regularly enlisted or commissioned in the organized militia.