SELFRIDGE AIR NATIONAL GUARD BASE, Mich. - Senior Airman Dylan Barriger, Senior Airman Andrew Farrell and Senior Airman Mark Welch with the 127th Wing, Michigan Air National Guard, listen in during a satellite Airman Leadership School session at Selfridge Air National Guard Base, Mich., May 17, 2014. Airmen must first complete ALS to be eligible for promotion to the rank of staff sergeant. (U.S. Air National Guard photo by Tech. Sgt. Daniel Heaton/Released)

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Photo by: Technical Sgt. Dan Heaton |  VIRIN: 140516-Z-VA676-014.JPG