In this December 10, 2001 file photo, an Afghan anti-Taliban fighter pops up from his tank to spot a U.S. warplane bombing al-Qaida fighters in the White Mountains of Tora Bora in Afghanistan. Anti-Taliban forces and U.S. warplanes continued to hit the Tora Bora mountains and the al-Qaida fighters occupying the area. (Photo by David Guttenfelder/AP Photo/File)





In this October 8, 1996 file photo, a Taliban soldier patrols the entrance to the Panjshir Valley, north of Kabul. In August 2021, the last remnants of Afghanistan’s shattered security forces have vowed to resist the Taliban in the remote Panjshir Valley north of Kabul, that has defied conquerors before. Under the leadership of late charismatic guerrilla fighter Ahmad Shah Massoud, fighters in the Panjshir Valley held off the Soviets in the 1980s and the Taliban a decade later. Any attempt to re-enact his exploits appears likely to fail, posing little threat to the country's new Taliban rulers.. (Photo by John Moore/AP Photo/File)





U.S. Army flight medic SGT Jaime Adame, top, cares for seriously wounded Marine CPL Andrew Smith following an insurgent attack on board a medevac helicopter Sunday, May 15, 2011, from the U.S. Army's Task Force Lift “Dust Off”, Charlie Company 1-214 Aviation Regiment north of Sangin, in the volatile Helmand Province of southern Afghanistan. (Photo by Kevin Frayer/AP Photo)





A service member of the Ukrainian armed forces cleans a weapon at fighting positions on the line of separation near the rebel-controlled city of Donetsk, Ukraine on April 6, 2021. (Photo by Serhiy Takhmazov/Reuters)





A U.S. Marine assigned to the 24th Marine Expeditionary Unit (MEU) holds a baby during an evacuation at Hamid Karzai International Airport, Kabul, Afghanistan, August 20, 2021. (Photo by Sgt. Isaiah Campbell/U.S. Marine Corps/Handout via Reuters)





A Russia-backed rebel looks at the flag covered body of an Ukrainian serviceman in Debaltseve, Ukraine, February 20, 2015. The struggle for the strategic rail hub, Debaltseve, a sleepy town with a pre-war population of 25,000 people, left the town in ruins and became one of the darkest pages in the ongoing conflict in eastern Ukraine, which has already killed more than 6,000 people. (Photo by Vadim Ghirda/AP Photo/File)





An armed man who claim to be members of a self-defense group patrols the limits of Taixtan in the Michoacan state of Mexico, Thursday, October 28, 2021. The army has largely stopped fighting drug cartels here, instead ordering soldiers to guard the dividing lines between gang territories so they won’t invade each other’s turf – and turn a blind eye to the cartels’ illegal activities. (Photo by Eduardo Verdugo/AP Photo)





An armed soldier of the Donetsk People's Republic (DPR) army patrols the destroyed Donetsk Airport in Donetsk, Ukraine on March 4, 2015. (Photo by Valery Sharifulin/TASS)





Afghan anti-al-Qaida fighters rest at a former al-Qaida base in the White Mountains near Tora Bora Wednesday December 19, 2001, behind a string of ammunition found after the retreat of al-Qaida members from the area. (Photo by David Guttenfelder/AP Photo)





An Ukrainian Military Forces serviceman strokes a dog in a snow covered trench on the frontline with the Russia-backed separatists near Verkhnetoretskoye village, in the Donetsk region on January 31, 2022. (Photo by Anatolii Stepanov/AFP Photo)





ARP trainees battle the waves while completing training exercises during the last week of a ten week program to become members of the Taiwan navy's elite Amphibious Reconnaissance and Patrol unit, at Zuoying navy base, Kaohsiung, southern Taiwan, December 18, 2021. The trainees have to endure everything from long marches to hours in the water, with constant screaming at by their instructors. Of the group of 31 who started the program, only 15 finished. (Photo by Ann Wang/Reuters)





An ARP trainee pulls a fellow trainee, who is pretending to be injured, through sewage contaminated water during the last week of a ten week program to become members of the Taiwan navy's elite Amphibious Reconnaissance and Patrol unit, at Zuoying navy base, Kaohsiung, southern Taiwan, December 21, 2021. (Photo by Ann Wang/Reuters)





Cadets of the “Saiqa” force (Special Forces) of the self-proclaimed Libyan National Army (LNA) affiliated with eastern strongman Khalifa Haftar take part in a graduation ceremony in tribute to the force's late commander Wanis Bukhamada, in the eastern city of Benghazi, on January 20, 2022. (Photo by Abdullah Doma/AFP Photo)





A member from Afar militia pose for a photograph in Shewa Robit, Ethiopia, on December 05, 2021. (Photo by Amanuel Sileshi/AFP Photo)





Soldiers demonstrate the EXO Insight glasses which are an eye tracking virtual behaviour monitoring system on October 14, 2021 in Salisbury, England. Army Warfighting Experiment (AWE 21) is a flagship programme harnessing technology to prepare for complex future warfare. It has been designed to experiment with and showcase next-generation Collective Training Systems to inform future Army decisions and put the soldier at the heart of technology. It informs allies and adversaries that the British Army is looking to the future with cutting-edge technological advances. (Photo by Finnbarr Webster/Getty Images)