the key from Mr. Kopel __The Dick Act also defines the ‘‘unorganized militia.’’ The unorganized militia is all able-bodied men between 17 and 44 years of age who are United States citizens (or ‘‘have made a declaration of intention to become
citizens’’), and who do not belong to the organized militia. 10 U.S.C. §311(a), (b)(2). They are subject to call-up by the federal government in order to ‘‘execute the Laws of the Union, suppress Insurrections [or] repel Invasions,’’ under the Constitution’s Militia Clauses. (Clause 15 of Article I, sect. 8 is the “Calling Forth” clause. Clause 16 grants Congress the power to organize, arm, and discipline the militia.)
Or F6 will come up with something better .....;) ...
I have gazillions of stuff on this .. btw.