Brig. Gen. John Slocum, commander of the 127th Wing, Selfridge Air National Guard Base Brig. Gen. Mike Stone, assistant adjutant general - Installations Brig. Gen. Leonard Isabelle, commander of the Michigan Air National Guard, Michigan Governor Rick Snyder, Maj. Gen. Gregory Vadnais, adjutant general for the Michigan National Guard Lt. Gen. Raimonds Graube, chief of Latvian defense to observe Northern Strike 15, a major combat training exercise that brings ground and air combat units from four coalition countries and more than 20 states to training locations across northern Michigan. (Michigan National Guard photo by Sgt. 1st Class Helen Miller/Released)