A an M-4 Carbine assault rifle with a helmet, boots and sandbags is displayed in honor of fallen service members, prisoners of war and those missing in action during the 2017 Outstanding Airmen of the Year banquet at the Bayview Community Center at Langley AFB, Virginia, March 8, 2017. Most official Air Force banquets and ceremonies have a moment of silent during events to pay tribute to more than 150, 000 Americans who are missing in action or have been held as prisoners of war. (U.S. Air Force photo by Senior Airman Kimberly Nagle)