I hope the military is still lurking on my blog (thanks for that temporary spike in traffic, BTW), because I have something to say.
You need to reevaluate the Family Readiness Groups.
Ultimately, when you rely purely on volunteers, you are going to get uneven results–which is disheartening and unfair to those who not getting the good results.
True, spouses are theoretically adults (although we have a few show up who are 16-19). Still, supporting the spouse supports the mission AND improves retention rates. You want that guy to re-up? Convince his wife …