Maj. Eric Marcellus and Marcia Heer, project manager in the Regulatory Division, display a map on the front of a Sikorsky UH-60 Blackhawk helicopter near the village of Tyonek June 25. Marcellus and Capt. Robert Weakland are both civil engineers for the Alaska District and serve as aviators in the Alaska Army National Guard’s 1st Battalion, 207th Aviation Regiment. The pilots flew Corps personnel to visit the citizens of Tyonek and a potential site for a proposed coal mine. (Courtesy Photo)