U.S. Air Force Col. Gregory Beaulieu, right, Joint Base Langley-Eustis commander, runs with JBLE First Sergeants during the 2021 POW/MIA walk/run at Joint Base Langley-Eustis, Virginia, Sept. 17, 2021. On the third Friday in September, POW/MIA recognition day is celebrated throughout the U.S., and military installations around the world. (U.S. Air Force photo by Tech. Sgt. Chandler Baker)

Service members participate in the 2021 POW/MIA walk/run at Joint Base Langley-Eustis, Virginia, Sept. 16, 2021. The flag is a symbol of the United States’ commitment to never stop working until each of our prisoners of war and members missing in action return home.(U.S. Air Force photo by Tech. Sgt. Chandler Baker)

A service member runs with the POW/MIA flag during the 2021 POW/MIA walk/run at Joint Base Langley-Eustis, Virginia, Sept. 16, 2021. Participants kept the flag in motion for 24 hours around the Shellbank Fitness Center Track. (U.S. Air Force photo by Tech. Sgt. Chandler Baker)

U.S. Air Force Col. Gregory Beaulieu, Joint Base Langley-Eustis commander, delivers closing remarks for the 2021 POW/MIA walk/run at Joint Base Langley-Eustis, Virginia, Sept. 17, 2021. Beaulieu spoke about specific POW/MIA stories, including that of Capt. William Robinson, who as an Airman 1st Class, was captured in Vietnam and spent 7 years in the infamous “Hanoi Hilton” prisoner camp. (U.S. Air Force photo by Tech. Sgt. Chandler Baker)