No they did not. They belonged, sort of, to their town or township, as much as they belonged to anything except themselves. They went by the names of their town or township. The Acton Militia, the Concord Militia, the Lincoln Militia and of course the Lexington Militia. Not all had Minuteman companies, but most did. They were coordinated, loosely, by the Committees of Correspondence, which also did not belong the English.
“No they did not. They belonged, sort of, to their town or township, as much as they belonged to anything except themselves.”
And they and their towns/townships were subjects of the British crown. There was no US back then. Those who fought agains the British were either trained by the British, or self trained. They were not US trained either way.