Master Sgt. Brooke S. Emery, U.S. Air Force Concert Band clarinetist, performs during the 64th National Veterans Day Observance at Arlington National Cemetery in Arlington, Va., Nov. 11, 2017. The band is selected to participate in the observance approximately every five years. (U.S. Air Force photo by Airman 1st Class Valentina Lopez)

The U.S. Air Force Concert Band performs during the 64th National Veterans Day Observance at Arlington National Cemetery in Arlington, Va., Nov. 11, 2017. Event attendees came from a number of associations such as the U.S. Department of Veterans Affairs, Korean War Veterans Association, and Veterans of Foreign Wars. (U.S. Air Force photo by Airman 1st Class Valentina Lopez)

Kevin Kim, Korean War veteran, raises a U.S. flag during the 64th National Veterans Day Observance at Arlington National Cemetery in Arlington, Va., Nov. 11, 2017. The ceremony was held to honor and thank all who are serving and have served in the U.S. Armed Forces. The U.S. Air Force Concert Band was featured in the observance. (U.S. Air Force photo by Airman 1st Class Valentina Lopez)

Tech. Sgt. Valentin Lukashuk, U.S. Air Force Concert Band trumpeter, performs during the 64th National Veterans Day Observance at Arlington National Cemetery in Arlington, Va., Nov. 11, 2017. The ceremony was held to honor and thank all who are serving and have served in the U.S. Armed Forces. (U.S. Air Force photo by Airman 1st Class Valentina Lopez)

Attendees of the 64th National Veterans Day Observance sit in Arlington National Cemetery Memorial Amphitheater in Arlington, Va., Nov. 11, 2017. More than 200 people attended the event to celebrate and honor service members who have served and are currently serving. The U.S. Air Force Concert Band was featured in the observance, (U.S. Air Force photo by Airman 1st Class Valentina Lopez)

Vice President Michael R. Pence speaks during the 64th National Veterans Day Observance at Arlington National Cemetery in Arlington, Va., Nov. 11, 2017. The day consisted of a wreath-laying ceremony at the Tomb of the Unknown Soldier and an observance program featuring the U.S. Air Force Concert Band at the Memorial Amphitheater. (U.S. Air Force photo by Airman 1st Class Valentina Lopez)

Participants of the 64th National Veterans Day Observance wave U.S. flags at Arlington National Cemetery in Arlington, Va., Nov. 11, 2017. More than 200 people attended the event to celebrate and honor service members who have served and currently serve. The U.S. Air Force Concert Band was featured in the observance. (U.S. Air Force photo by Airman 1st Class Valentina Lopez)

Airmen with the 11th Wing salute the U.S. flag during the 64th National Veterans Day Observance at Arlington National Cemetery in Arlington, Va., Nov. 11, 2017. Vice President Michael R. Pence, U.S. Armed Forces leaders and veterans from every branch of the military attended the event to honor the many military members who have served and are currently serving in the military. The U.S. Air Force Concert Band was featured in the observance. (U.S. Air Force photo by Airman 1st Class Valentina Lopez)