US Army military mountaineering instructor teaches students
U.S. Army Sgt. 1st Class, Shane Frackell, a military mountaineering instructor assigned to 5th Ranger Training Battalion, demonstrates building a rope system to students during Basic Military Mountaineering Course at Camp Frank D. Merrill, Dahlonega, Ga., Jan. 21, 2016. The Basic Military Mountaineering Course trains Soldiers in the fundamental knowledge/skills required to successfully conduct small unit operations in mountainous terrain found throughout the world.(U.S. Army photo by Staff Sgt. Alex Manne/Released)

Photo by: Staff Sgt. Alex Manne |  VIRIN: 160121-A-XH155-530.JPG