U.S. Army 1st Lt. Kacie Teeter, sapper platoon leader, Regimental Engineer Squadron, 2d Cavalry Regiment, operates a MK19 automatic grenade launcher as part of preliminary training for the Expert Infantryman Badge and the Expert Soldier Badge in Bemowo Piskie, Poland, March, 19, 2020. The Soldiers participating in EIB and ESB are deployed in support of NATO's enhanced Forward Presence Battle Group-Poland.