We do have treaty obligations with our NATO allies.

If there are threats to the United States, then I would of course go back to the president and make a recommendation that may include the use of U.S. military ground force.

We do have an obligation to deter conflict and to prepare for it should it occur.

You know, we live here in America and sometimes don't understand the realities of geography and demographics in Eastern Europe.

We do have treaty obligations with our NATO allies.

And we have got to go back - I will tell you what we have got to do. We have got to go back to the small disciplines that really make a difference in defining ourselves as a profession. And we will.

This is a major strategic challenge affecting not only our military, but ultimately, America's leadership in the global world order, we are at a point where our national aspirations are at risk of exceeding our available resources.