Does anyone contribute to a TSP?  We are trying to figure out the best way for H to start saving for retirement (I'll have something through my employer once I start working full time).  He would not get matching contirbutions for the TSP, so I'm wondering if there are even any advantages to using that instead of a traditional or roth IRA. 
 As of right now, the plan is for him to stay in the Army for 4-5 years, then work a civilian job.  That's another reason I'm thinking an IRA would be better b/c he would not be able to contribute after leaving the military.  Anyone have any insights?  I know there are differences in maximum contributions and how they are taxed, but right now there really isn't an obvious choice to me.  Thanks in advance!