Air Force Gen. Joseph Lengyel, chief, National Guard

Air Force Gen. Joseph Lengyel, chief, National Guard Bureau, and Lt. Gen. Raimonds Graube, chief of defense of the Republic of Latvia, observe Northern Strike 2016, Camp Grayling Joint Maneuver Training Center, Michigan, Aug. 16, 2016. The National Guard Bureau-sponsored exercise uniting about 5,000 Army, Air Force, Marine Corps and Special Forces service members from 20 states and three coalition countries during the first three weeks of August at Camp Grayling and the Alpena Combat Readiness Training Center, both in northern Michigan, provides accessible, readiness-building opportunities for military units from all service branches to achieve and sustain proficiency in conducting mission command, air, sea and ground maneuver integration, and the synchronization of fires in a joint, multinational, decisive action environment. (U.S. Army National Guard photo by Sgt. 1st Class Jim Greenhill)