Maryland Guard works with Estonia on cyber defense Maryland National Guard cyberwarfare operators from the 175th Wing's Cyber Operations Group support Exercise Hedgehog 2018 in southern Estonia, May 7, 2018. Army National Guard photo by Maj. Kurt Rauschenberg SHARE IMAGE: Download Image: Full Size (0.54 MB) Photo By: Maj. Kurt Rauschenberg VIRIN: 180507-A-NZ947-241.JPG Photo Gallery