dominating the indo-pacific region by the end of the century. oren liebermann has the story for you. >> reporter: the defense department focused partially on the rapid modernization of china's nuclear force saying they have a nascent triad of sub-launched ballistic missiles. they could roughly double their force or stockpile of 200 nukes within ten years, well, that is' old news now. now the pentagon says they could have a thousand nuclear warheads by 2030. that comes from the speed with which they are modernizing and building out their nuclear stockpile and their nuclear options. but that's just a part of what's concerning here in this short term. in the bigger picture, over the long term the china military power report says that by 2049, so before the mid point of the century, china aims to supplant u.s. global influence and replace u.s. partnerships and alliances in the region with its