An Afghan National Army (ANA) helicopter flies over a soldier during a training exercise at the Kabul Military Training Centre in Afghanistan October 7, 2015. (Photo by Ahmad Masood/Reuters)

People attend New York's Annual Village Halloween Parade dressed as soldiers from the United Nations in Manhattan, New York City, U.S., October 31, 2022. (Photo by Andrew Kelly/Reuters)

Romanian female soldiers stand prior to the military parade on Romania's National Day in Bucharest, on December 1, 2022. (Photo by Daniel Mihailescu/AFP Photo)

Armed police officers and soldiers strengthen their training in seawater in Fangchenggang City, Guangxi Province, China on July 24, 2023. (Photo by Costfoto/NurPhoto/Rex Features/Shutterstock)

Ukrainian soldiers Anastasia and Vyacheslav embrace prior to their wedding ceremony in a city park in Kyiv, Ukraine, Thursday, April 7, 2022. (Photo by Efrem Lukatsky/AP Photo)

U.S. soldiers from the 3rd Cavalry Regiment take part in an artillery exercise on forward operating base Gamberi in the Laghman province of Afghanistan December 24, 2014. (Photo by Lucas Jackson/Reuters)

An Iraqi soldier stands guard as a pipeline burns in the background after an explosion 30 kilometers (20 miles) northeast of Tikrit, Iraq, Monday, February 11, 2008. (Photo by Bassem Daham/AP Photo)

In this Thursday, April 11, 2013 photo, North Korean female soldiers stand watch on the river bank of the North Korean town of Sinuiju, opposite to the Chinese border city of Dandong. (Photo by AP Photo)