You are what makes the United States undaunted by the difficult, and motivated by the impossible. - Mark A. Milley

You'll be fighting with robotic tanks, ships and airplanes. We've witnessed a revolution in lethality and precision munitions. What was once the exclusive province of the U.S. military is now available to most nation states with the money and will to acquire them.

George Floyd's death amplified the pain, the frustration and the fear that so many of our fellow Americans live with day in and day out. I have many policemen in my family, and I am personally outraged by George Floyd's brutal and senseless killing. The protests that have ensued not only speak to this injustice, but also to centuries of injustice towards Black Americans. We, as a nation and as a military, are still struggling with racism, and we have much work to do.

And finally, there is the mother of all technologies — artificial intelligence — where machines are actually developing the capacity to learn and to reason. These rapidly converging developments in time and space are resulting in that profound change — the most profound change ever in human history. And whatever overmatch we, the United States, enjoy militarily … the United States is challenged in every domain of warfare: space, cyber, maritime, air and land.