The B-2 visa is for individuals who wish to visit the United States temporarily or to visit family or friends.In order to Visit USA you should be prepared to demonstrate the following: Your visit will be temporary

I will agree with my colleague. The visa is a visitor visa - B2 visa. Besides the requirements mentioned, note that B2 Visas are non dual intent visa. You should not have the intention of filing for a green card on it. Alternatively, if your son is a US citizen, he can just file for a straight green card for you.