Many of those threats are technologically solved and the improvements will be iterative. Our R&D needs to focus on projected future threats. Also, our last two

Many of those threats are technologically solved and the improvements will be iterative. Our R&D needs to focus on projected future threats. Also, our last two "wars" were no real threat to our country. We don't need directed energy weapons and stealth submarines against jihadists, but we might against Russia and China.