D.C. Code § 49-409
The President of the United States shall be the Commander-in-Chief of the militia of the District of Columbia.
Mar. 1, 1889, 25 Stat. 773, ch. 328, § 6
Supervision and control of National Guard of District of Columbia: See Presidential Executive Order No. 11485, October 1, 1969, 34 F.R. 15411.
1973 Ed., § 39-112.
1981 Ed., § 39-109.