The JAG will be able to answer all these questions and more.
There are some things that will be different because of the military retirements and benefits.
The JAG officers are attorneys and will advise you on the best way to protect yourself and your children. Your children should be covered by TriCare until they are a certain age...

You didn't say if the divorce was in the near future or not until he retires...it will make a difference.

It's been too many years since I was involved in military affairs, so I truly don't know what, if anything, has changed. Most likely the only thing that has not changed is that Army policies are set up to be balanced for each one of you.

Catherine