The only thing declared necessary in the Constitution & Bill of Rights is the #2A Militia of the several States.
“A well regulated militia being necessary to the security of a freeState”
https://ConstitutionalMilitia.org
Bigjon (9th January 2016),mick silver (11th January 2016),midnight rambler (9th January 2016),Tumbleweed (9th January 2016)