Soldier Talk A U.S. soldier talks with Estonian soldiers during the Rail Gunner Rush live-fire exercise in Tapa, Estonia, Sept. 5, 2020. The U.S. Army signed an agreement with the Estonian Defense Ministry that will enable the countries to conduct collaborative science and technology in cyber defense. SHARE IMAGE: Download Image: Full Size (0.21 MB) Photo By: Army Maj. Joe Bush VIRIN: 200905-A-BG594-983M.JPG Photo Gallery