In the 1200s, Genghis Khan and the Mongolian army built an empire that stretched ... four of the most traumatic periods in the last 1200 years – the Mongol invasions of 1200 to 1380, the Black ...

from the U.S. Army and Marine Corps, will participate in the exercise, along with 600 Mongolian Armed Forces troops. U.S. and Mongolian troops will comprise the majority of the roughly 1,200 ...