D.C. Code § 49-409 : GENERAL LAWS — MILITARY — DISTRICT OF COLUMBIA MILITARY ORGANIZATION — COMPOSITION, ORGANIZATION, AND CONTROL — GENERAL —409 - President to be Commander-in-Chief TEXT PDF The President of the United States shall be the Commander-in-Chief of the militia of the District of Columbia. D.C. Code § 49-409 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.