Alaska National Guardsman Private First Class Gabriel Duckworth, 3rd Batallion, 297th Scouts, Alpha Company, armed with an M249 SAW, is in a defense position around the perimeter of the State Trooper's office in Ketchikan, Alaska, which is the primary communication for all emergency support units during Exercise NORTHERN EDGE. Northern Edge is Alaska's premier joint training exercise, it encompasses all of the state of Alaska and it last for two weeks