From near to far, Sgt. Walter Miles, 2nd Lt. Nick Wahlquist, and Pfc. Kyle O'Brien, from Battery A, 1st Battalion, 6th Artillery Regiment, attached to Task Force Demon, 1st Combat Aviation Brigade as an aerial reaction force, practice mountain top helicopter landing zone security techniques with a UH-60 Blackhawk from Company C, 3rd Battalion, 1st Aviation Regiment Oct. 14, 2013. (U.S. Army photo by Spc. Jameanthony Gray/released)