Col. Christopher Lestochi (center), commander of the U.S. Army Corps of Engineers – Alaska District, poses with Capt. Robert Weakland (left) and Maj. Eric Marcellus (right) in front of a UH-60 Blackhawk helicopter on Joint Base Elmendorf – Richardson in June 2013. Weakland and Marcellus are both civil engineers for the Alaska District and serve as aviators in the Alaska Army National Guard’s 1st Battalion, 207th Aviation Regiment.