Retired U.S. Air Force Lt. Col. Kenneth Adams, Upper Mattaponi Indian tribe chief, speaks to the audience about Native Americans in the Armed Forces during a National Native American Heritage Month event at Joint Base Langley-Eustis, Va., Nov. 15, 2017. Native Americans have served in the U.S. military for more than 200 years, reinforcing a culture of honor, courage and determination. (U.S. Air Force photo by Senior Airman Kaylee Dubois)