U.S. Army Soldiers assigned to 1st Battalion, 16th Infantry Regiment “Iron Rangers,” 1st Armored Brigade Combat Team, 1st Infantry Division pose for a photo with NATO allies from Romania, Poland and Portugal  in Cincu, Romania, Sept. 27, 2021. Interoperability is key to the Army Vision, it is critical that the U.S. stands side-by-side with our allies and partners to maintain overmatch and increase lethality against future threats. 