Tech. Sgt. James Richey, an instructor from the Chief Master. Sgt. Richard L. Etchberger Airman Leadership School at Grand Forks Air Force Base, North Dakota, right, instructs students about the rules of an interactive knowledge contest during ALS classroom instruction at the North Dakota Air National Guard Base, Fargo, North Dakota, June 12, 2014, as Senior Airman Christopher Mann looks on. The six-week ALS course is among the first in the country being offered by active-duty instructors at an Air National Guard base. Instructors traveling to students’ location are a cost effective way of conducting training. (U.S. Air Force photo/Senior Master Sgt. David H. Lipp)