Radio Check Army Sgt. John Grassia checks the radio in a UH-60 Black Hawk helicopter at an Army aviation facility in Latham, N.Y., May 31, 2017. Grassia, a crew chief assigned to the New York Army National Guard’s 3rd Battalion, 142nd Aviation Regiment, participated in bucket firefighting system training. Army National Guard photo by Pfc. Andrew Valenza SHARE: Download: Full Size (1.89 MB) Tags: Guard, Northcom, Northern Command, Soldiers, Army, training Credit: Pfc. Andrew Valenza VIRIN: 170531-Z-DP681-1043A.JPG Photo Gallery