Stars and Stripes are forever, but bombs? Not so much. They’re the ultimate in disposable weaponry. SrA. Alan Hernandez of the 3rd Munitions Squadron builds a GBU-32 on JB Elmendorf-Richardson, Alaska, during Polar Force 20-1, an exercise designed to practice Agile Combat Employment. The polar region is increasingly contested as the polar ice cap recedes and Russia and China flex their muscles.