Aurora Look A Marine holds a defensive position during Exercise Aurora 17 in Larbro, Sweden, Sept. 21, 2017. The Marine is assigned to Marine Rotational Force-Europe. The exercise includes forces from the United States and other nations to promote common regional security. Marine Corps photo by Cpl. Careaf Henson SHARE: Download: Full Size (2.94 MB) Credit: Cpl. Careaf Henson VIRIN: 170921-M-BA796-145C.JPG Photo Gallery