Has anyone gone through divorce and have her go after your Thrift Savings Plan?

Your local laws may be different but typically a spouse is not entitled to any retirement benefits (of which TSP is part of) unless the marriage lasted more 10 years. Your attorney will be able to better advise you on topics like that.

If you don't have an attorney, GET ONE!! Trust me, from experience, you do NOT want to walk into a court room without legal representation.

unless something has Changed, your soon to be EX can not receive anything unless you have been married 5years+ and at 10 she is eligible to obtain 35-50 % of your retirement nothing prior... and has to share anything with a previous Spouse... of 10 years or more...
and here again... unless it has changed they cannot take more than 50% of your retirement...
Basis... All 3 of mine tried... they got no where ... the Longest i was married was 5 yrs 3 months... and 2 years a 4 months we were separated...
Now if they take it to a civil court and plead poverty and a bunch of other crap then leave you with 35% of your Retirement... but thats when the "Soldiers and Sailors Act". comes in to play and they can stand to loose every thing...

I am going on a tangent. Protect yourself from joint debt. I was paying my ex $2000/month but she still filed bankruptcy and I got stuck with like $140,000 in debt.