[Sylvester McMonkey McBean]

No apostrophe needed. To form the plural - just add s. i.e. militias.

[chuckles]

Spelling Nazi’s won’t be allowed in my militia. Anal people lose sight of the objective.

[OldPossum]

No apostrophe needed. To form the plural - just add s. i.e. militias.

I saw that, too. I wish I had a dime for every time I see that mistake.