Eclipse Observer Air Force Master Sgt. Zack Fontaine observes through his eclipse glasses as the moon passes in front of the sun during a total solar eclipse at Young Air Assault Strip at Fort McCoy, Wis., Aug. 21, 2017, while participating in exercise Patriot Warrior. Fontaine is assigned to the 445th Aeromedical Staging Squadron, from Wright-Patterson AFB, Ohio. Air Force photo by Tech. Sgt. Efren Lopez SHARE: Download: Full Size (1.49 MB) Tags: Air Force, Northcom, Northern Command, Airmen Credit: Tech. Sgt. Efren Lopez VIRIN: 170821-F-AF679-0055A.JPG Photo Gallery