Spc. Joseph Karabin, a cavalry scout with 2nd of the

Spc. Joseph Karabin, a cavalry scout with 2nd of the 152nd Cavalry Regiment and student at the Army Mountain Warfare School, ties a knot in a high line, June 14, 2014, at Camp Ethan Allen Training Site, Jericho Vt. Karabin practiced building the high line multiple times in preparation for testing in a few days. (U.S. Army National Guard photo by Sgt. Ashley J. Hayes)