Air Force Capt. Daniel Curtin, foreground, looks back at his team as Air Force Senior Airman Thomas Vamvakos provides security during Operation Northern Strike near Rogers City, Mich., Aug. 7, 2014. Curtin and Vamvakos are tactical air controllers assigned to the Illinois Air National Guard's 169th Air Support Operations Squadron. Air Force Capt. Daniel Curtin, foreground, looks back at his team as Air Force Senior Airman Thomas Vamvakos provides security during Operation Northern Strike near Rogers City, Mich., Aug. 7, 2014. Curtin and Vamvakos are tactical air controllers assigned to the Illinois Air National Guard's 169th Air Support Operations Squadron. SHARE: Download: Full Size (2.38 MB) Tags: Photo Essays Credit: VIRIN: 550066-Y-EOK11-598.jpg Photo Gallery