Patrol Base Preps A member of the Michigan Army National Guard participates in a patrol base exercise at Adazi Military Base Training Center, Latvia, June 4, 2018. Army National Guard photo by Sgt. 1st. Class Helen Miller SHARE IMAGE: Download Image: Full Size (3.6 MB) Tags: Army, Guard, Exercise Photo By: Sgt. 1st Class Helen Miller VIRIN: 180706-D-XT155-001.JPG Photo Gallery