Hercules View Air Force Staff Sgt. Johnathan Santiago walks on a C-130 Hercules as he inspects the aircraft before an airdrop mission during Northern Strike 2016, an exercise the National Guard Bureau sponsors, at Alpena Combat Readiness Training Center in Alpena, Mich., Aug. 11, 2016. Santiago and the aircraft are assigned to the 165th Airlift Wing. The exercise unites about 5,000 Army, Air Force, Marine, and Special Forces service members from 20 states and three coalition countries for three weeks of training and maneuvers. Air National Guard photo by Master Sgt. Scott Thompson SHARE: Download: Full Size (1.24 MB) Credit: Master Sgt. Scott Thompson VIRIN: 160811-Z-GS745-329C.JPG Photo Gallery