Wyoming Rockets Multiple launch rocket systems are fired by the 147th Field Artillery, Bravo Battery from Yankton, S.D., during South Dakota Army National Guard annual training at Camp Guernsey, Wyo., Aug. 2, 2015. SHARE IMAGE: Download Image: Full Size (2.77 MB) Tags: Army, Lethality, National Guard Photo By: Senior Airman Duane Duimstra VIRIN: 150802-Z-SJ722-166A.JPG Photo Gallery