1. Prevent non-citizen Muslims from enlisting in the military in any capacity. (This doesn't apply in Yee's case, but it does apply in other cases.)
2. Prevent Muslim prison chaplains from distributing anti-American or extremist literature and expel those caught doing so.
3. Bar Muslims who have received Islamic training in countries that support terrorism, or in Madrassahs or mosques funded by Wahabbists, from government service in any capacity.
4. Discharge any Muslim in military service who refuses to fight in a Muslim country, or who expresses sympathy for Islamic jihadists.
Considering the strength of the Wahabbi lobby, and their enablers in Federal and State governments, I doubt that any of these would even be considered, until perhaps we have another devastating attack, and then it may be too late.