I have filled I-102 and got receipt on 2011-Jun-14. Five months over but didn't get any news from USCIS.

Call the 1-800 number on the bottom of your receipt notice and ask customer service what is happening.

Was is the process to bring a foreign national spouse married to a US citizen outside of the United States?

My colleague is correct. While the fact that your fiance is on active duty won't expedite your case, it may have other benefits down the line...

Re entering the USA? (after a 3 month vacation in the european union) and almost a year in my country of origin.

Yes, you could have issues. I believe you previously posted and other attorneys took the time to respond.

I-90 form Part 3 question 3 and 4

What is your question?

I-90 form Part 3 question 3 and 4

What is your question?

Can I bring my British brother to the US?

No F-2. He may be able to visit you, but if you are interested in having him attend school he will need an F-1.

I-539 for I-485 filing

You want to have a copy of the I-94 to submit with the application.

Us citizen petitioning for spouse?

No, in and of itself it is not a problem. Do you have a specific concern relating to your time in Mexico?

File a FOIA request.

Re-entering the US for green card holders with extended periods outside the US

Will you be working for a US company? If not, please see the following link on reentry permits. http://www.uscis.gov/USCIS/Resources/B5en.pdf