Being able to control one's borders is an important aspect of sovereignty.
Countering WMD has been a priority for the department in terms of making sure that our future forces are organized, trained, equipped and resourced to deal with all aspects of threats that are posed by WMD.
Our position has not changed. This is a classified program and there are still aspects of it that are not appropriate for an open hearing. And that's what we have told the committee.