Can my 10 yr. old son shoot at the range under my supervision?

Yes

Yes, you may bring him in with you. Please see our staff if you need any assistance.

Yes he can

I believe they have to be 16 to shoot.

It's possible to travel with my gun to another country

Can I bring my 14 year old? And can he shoot?

I take my 7 yr old twice a month

Hello Michael, wow, I have no idea my friend. I visit alone or with another adult.