at the fourth reason for women to be restricted, it's -- if you looked at a specialty that pre dom meantly the majority of women couldn't serve in that specialty, the services close that specialty. what's happened is fast forward ten years with the experience of combat, what women have been able to do, also equipment has changed, just like the battle space, warfare has changed. we also find both men and women are coming back with physical injuries due to the nature of warfare, backs, knees, and the services have decided that you need to look at the standards both for men and women and determine what the right standard should be. >> one last thing, could you give us a sense when you hope to have enough information to at least address the issue of whether women can serve in infantry units and other combat units? >> we don't have that data at this time. >> two years, three years? any sense? >> i think with the six-month update we can provide you more information. at this time we can't provide that information. >> can i ask dan's question again and try to get a really clear answer. what is the