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If he is going to be deployed, then you can get expedited.
http://www.uscis.gov/archive/archive-news/questions-and-answers-members-military
Q. I am scheduled to deploy in the near future. How do I notify USCIS?
A. If you are submitting an application or petition to USCIS, and are scheduled to deploy in the near future, write in bold letters, “I have an upcoming deployment” on the first page of the application/petition, or on a cover sheet attached to your application. If you have already submitted your application and need to notify USCIS of an upcoming deployment, contact the USCIS Military Help Line at 1-877-CIS-4MIL (1-877-247-4645) as soon as possible.
Q. What are the criteria to have an application or petition expedited for military personnel?
A. USCIS reviews all expedite requests on a case-by-case basis. Some examples of situations that may qualify for expedited processing include pending military deployments or emergency or humanitarian situations. Please contact your local USCIS office or the USCIS Military Help Line at 1-877 CIS-4MIL (1‑877-247-4645) for more information.
Follow this guide, and yes he can file the I-129F petition while you are visiting. > http://www.visajourney.com/content/k1guide
After the I-129F petition is approved, you need to apply for the K-1 visa at the US consulate in your country. The other forms you are mentioning are not filed until after you enter the US with your K-1 visa, get married and file for adjustment of status. Flowchart> http://www.visajourney.com/content/k1flow