I'd like to ask if joining the Marine Corps is a valid reason for me to get an Immigration Visa.

Speak with a reqruiter. You may have other means of adjusting depending on the status of your relatives and whether they are immediate relatives.

I agree with my colleague.

I-539 (J-1 to B-2) approved - what now?

See my answer to your other post.

Will I have problems if I don't receive my approval notice for I-539?

Bring the approval notice to an info pass appointment at your local USCIS. Explain the situation. They may put a stamp in your passport or you can...

How to obtain SSN "not for work" status for a F1 student in order to conduct online trading?

Go to your local Social Security Administration Office. They may also have the answer to your question on the SSI website.

HI . I just want to know the status of my application for 1 visa . I'm worried because after my interview at the Consular Office

Based on the information you have provided it is not possible to advise you.

Do I need a tax attorney or an immigration attorney?

I strongly suggest you see an experienced immigration attorney immediately. Useing a Social Security Number that belongs to someone else is a...

What document can be used to prove that I am a US citizen besides passport and naturalization certificate?

For now you need to be patient. At my USCIS office persons receive their certificate at the ceremony. If you have not yet attended a ceremony then...

For consular processing

You will need to submit your BC with a certified translation - if it is not in English. One year of your Federal Tax Reurn may be sufficient but...

It may be possible but more facts are needed. I suggest you consult with an experienced immigration attorney who will need additional facts.