Chinese military unveils new 70-foot drone that can fly for almost 24 hours straight

China, in the midst of a significant upgrade of its military forces and purported arms race with the U.S., showed off a new drone that has a wingspan of nearly 70 feet and can fly continuously for almost a full day. Known as the CH-6 drone, it is'aimed at high-end arms and dual-use markets,' according to Chinese news outlet, Global Times. The drone - built by CH UAV - can fly continuously for 20 hours and reach speeds of 435 miles per hour, the news outlet added. It can also reach heights of almost 50,000 feet. It is the latest step in a growing arms race between China and the US, as the Chinese seek to overhaul their military.