Retired U.S. Air Force Master Sgt. Daniel Holmes tests radio equipment
Retired U.S. Air Force Master Sgt. Daniel Holmes, center, tests radio equipment with Staff Sgt. Jake Elliot Radio Interference Telescope technician, right, and Tech. Sgt. Kyle Duley, maintenance NCIOC at the Sagamore Hill Solar Observatory of the 2nd Weather Squadron, Det. 2, in Hamilton, Mass., Jun. 1, 2018. The 2nd WS, headquartered at Offutt Air Force Base, Neb., operates four solar observatories around the globe which enable constant monitoring of the sun for solar phenomenon which may interfere with electronics and communications used by the Department of Defense. (U.S. Air Force photo by J.M. Eddins Jr.)