Until Afghanistan, Vietnam was America's longest war. The images we're seeing now have a lot of parallels with that war — right down to the scenes of the chaotic, desperate final days.
[rebelmouse-proxy-image https://media.rbl.ms/image?u=%2F4zq9qVgRlnuiYLiSS00UnACTyKM%3D%2F2021%2F08%2F17%2F1629215187278.jpg&ho=https%3A%2F%2Fimages.axios.com&s=948&h=905957116c6ba166ba70346a9926d7d636d7a73ab60224e0d21c66f60bb8b517&size=980x&c=3019057606 crop_info="%7B%22image%22%3A%20%22https%3A//media.rbl.ms/image%3Fu%3D%252F4zq9qVgRlnuiYLiSS00UnACTyKM%253D%252F2021%252F08%252F17%252F1629215187278.jpg%26ho%3Dhttps%253A%252F%252Fimages.axios.com%26s%3D948%26h%3D905957116c6ba166ba70346a9926d7d636d7a73ab60224e0d21c66f60bb8b517%26size%3D980x%26c%3D3019057606%22%7D" expand=1]
Left: Members of the 1st Division Infantry look for Viet Cong fighters during the Vietnam War. Right: U.S. soldiers gather as their wounded comrades are airlifted by a Medevac helicopter in Afghanistan in 2011. Photos: (left) Corbis Historical via Getty Images; (right) Johannes Eisele/AFP via Getty Images
[rebelmouse-proxy-image https://media.rbl.ms/image?u=%2FCCi52ruKYmd1LcVSemjc4g6uXVk%3D%2F2021%2F08%2F17%2F1629215220785.jpg&ho=https%3A%2F%2Fimages.axios.com&s=432&h=5a6bf838d05df2beda410545e84eddf613b078db421fa5fabf6736f1970c96fe&size=980x&c=341456078 crop_info="%7B%22image%22%3A%20%22https%3A//media.rbl.ms/image%3Fu%3D%252FCCi52ruKYmd1LcVSemjc4g6uXVk%253D%252F2021%252F08%252F17%252F1629215220785.jpg%26ho%3Dhttps%253A%252F%252Fimages.axios.com%26s%3D432%26h%3D5a6bf838d05df2beda410545e84eddf613b078db421fa5fabf6736f1970c96fe%26size%3D980x%26c%3D341456078%22%7D" expand=1] Left: Wounded U.S. soldiers are evacuated by helicopter after a Vietnam War battle in 1967. Right: U.S. Army soldiers protect an injured comrade from dust and smoke flares after an Improvised Explosive Device (IED) blast in 2012. Photos: (left) Francois Mazure/AFP via Getty Images; (right) Munir Uz Zaman/AFP via Getty Images
[rebelmouse-proxy-image https://media.rbl.ms/image?u=%2FnrMrmsrPuxrjK2x7mEYUPZJyoE0%3D%2F2021%2F08%2F17%2F1629215245457.jpg&ho=https%3A%2F%2Fimages.axios.com&s=635&h=8bdb3894e4101717f4aaacd6bdfb176a398364f16dcf65ca072fbf378af450b5&size=980x&c=3089056154 crop_info="%7B%22image%22%3A%20%22https%3A//media.rbl.ms/image%3Fu%3D%252FnrMrmsrPuxrjK2x7mEYUPZJyoE0%253D%252F2021%252F08%252F17%252F1629215245457.jpg%26ho%3Dhttps%253A%252F%252Fimages.axios.com%26s%3D635%26h%3D8bdb3894e4101717f4aaacd6bdfb176a398364f16dcf65ca072fbf378af450b5%26size%3D980x%26c%3D3089056154%22%7D" expand=1] Left: Soldiers salute as remains of American GIs are carried to a plane in Hanoi. Right: A U.S. Army team carries the remains of a U.S. Army Sgt. 1st Class who was killed in Afghanistan in 2019. Photos: (left) Steve Raymer/Corbis via Getty Images; (right) Mark Wilson/Getty Images
[rebelmouse-proxy-image https://media.rbl.ms/image?u=%2FCtiCxt-GyOPL13S-9Z7N1umjQQo%3D%2F2021%2F08%2F17%2F1629215287146.jpg&ho=https%3A%2F%2Fimages.axios.com&s=793&h=429a7ac3a3af181a244aa1934aaa65f5befbb43859eb169c33cb511a5209b58f&size=980x&c=1093025687 crop_info="%7B%22image%22%3A%20%22https%3A//media.rbl.ms/image%3Fu%3D%252FCtiCxt-GyOPL13S-9Z7N1umjQQo%253D%252F2021%252F08%252F17%252F1629215287146.jpg%26ho%3Dhttps%253A%252F%252Fimages.axios.com%26s%3D793%26h%3D429a7ac3a3af181a244aa1934aaa65f5befbb43859eb169c33cb511a5209b58f%26size%3D980x%26c%3D1093025687%22%7D" expand=1] Left: A young Vietnamese boy arrested during an anti-government demonstration in Danang, South Vietnam, stares out from behind barbed wire. Right: Displaced Afghans look through a fence in August 2021. Photos: (left) Nik Wheeler/Corbis via Getty Images; (right) Paula Bronstein/Getty Images
[rebelmouse-proxy-image https://media.rbl.ms/image?u=%2F5Qj2E58VM5hi5hgtEVqEoubtPQ8%3D%2F2021%2F08%2F17%2F1629215308827.jpg&ho=https%3A%2F%2Fimages.axios.com&s=207&h=930b48c0e0e9738ab9c79146c19aa8062a2d94b59c9432d6290bb5e347772f31&size=980x&c=1952335469 crop_info="%7B%22image%22%3A%20%22https%3A//media.rbl.ms/image%3Fu%3D%252F5Qj2E58VM5hi5hgtEVqEoubtPQ8%253D%252F2021%252F08%252F17%252F1629215308827.jpg%26ho%3Dhttps%253A%252F%252Fimages.axios.com%26s%3D207%26h%3D930b48c0e0e9738ab9c79146c19aa8062a2d94b59c9432d6290bb5e347772f31%26size%3D980x%26c%3D1952335469%22%7D" expand=1] Left: Desperate South Vietnamese citizens try to scale the walls of the American Embassy in 1975. Right: Afghans rush to the Hamid Karzai International Airport as they try to flee Kabul. Photos: (left) Nik Wheeler/Corbis via Getty Images; (right) Haroon Sabawoon/Anadolu Agency via Getty Images
[rebelmouse-proxy-image https://media.rbl.ms/image?u=%2FGVG-wOjL9A2eDyxBkb2fJWUASII%3D%2F2021%2F08%2F17%2F1629217291582.jpg&ho=https%3A%2F%2Fimages.axios.com&s=1017&h=6ced63a2ee27e584fc93895195acafa3cc748308e0d07e40f986dc976f76d6c7&size=980x&c=3149462319 crop_info="%7B%22image%22%3A%20%22https%3A//media.rbl.ms/image%3Fu%3D%252FGVG-wOjL9A2eDyxBkb2fJWUASII%253D%252F2021%252F08%252F17%252F1629217291582.jpg%26ho%3Dhttps%253A%252F%252Fimages.axios.com%26s%3D1017%26h%3D6ced63a2ee27e584fc93895195acafa3cc748308e0d07e40f986dc976f76d6c7%26size%3D980x%26c%3D3149462319%22%7D" expand=1] Left: Long lines of people hurry to get exit visas and air tickets out of Vietnam. Right: Afghans crowd at the tarmac of the Kabul airport. Photos: (left) Bettmann via Getty Images; (right) AFP via Getty Images
[rebelmouse-proxy-image https://media.rbl.ms/image?u=%2FRg0udoiMHrTtw0lphbv8M0Wf_E4%3D%2F2021%2F08%2F17%2F1629225325977.jpg&ho=https%3A%2F%2Fimages.axios.com&s=822&h=c5f59720c04d109e2bf7598387529a28f82b1e49e1849d39af6b14c8f8e51e47&size=980x&c=2960138570 crop_info="%7B%22image%22%3A%20%22https%3A//media.rbl.ms/image%3Fu%3D%252FRg0udoiMHrTtw0lphbv8M0Wf_E4%253D%252F2021%252F08%252F17%252F1629225325977.jpg%26ho%3Dhttps%253A%252F%252Fimages.axios.com%26s%3D822%26h%3Dc5f59720c04d109e2bf7598387529a28f82b1e49e1849d39af6b14c8f8e51e47%26size%3D980x%26c%3D2960138570%22%7D" expand=1] Left: An American Marine points an M-16 rifle at a South Vietnamese person trying to climb over the wall at the American Embassy to join evacuation flights. Right: A U.S. soldier points his gun toward an Afghan passenger at the Kabul airport. Photos: (left) Bettmann via Getty Images; (right) Wakil Kohsar/AFP via Getty Image
[rebelmouse-proxy-image https://media.rbl.ms/image?u=%2Fk3Gvl-DIFv_-pAqY6pTT7dKM1Uo%3D%2F2021%2F08%2F17%2F1629225373730.jpg&ho=https%3A%2F%2Fimages.axios.com&s=709&h=878b3e4ee57440bbb92680bd7e79ef6b515629d2a2c2073fed5812bb8446a0f3&size=980x&c=3460774441 crop_info="%7B%22image%22%3A%20%22https%3A//media.rbl.ms/image%3Fu%3D%252Fk3Gvl-DIFv_-pAqY6pTT7dKM1Uo%253D%252F2021%252F08%252F17%252F1629225373730.jpg%26ho%3Dhttps%253A%252F%252Fimages.axios.com%26s%3D709%26h%3D878b3e4ee57440bbb92680bd7e79ef6b515629d2a2c2073fed5812bb8446a0f3%26size%3D980x%26c%3D3460774441%22%7D" expand=1] Left: A CIA employee helps Vietnamese evacuees onto an Air America helicopter. Right: The U.S. national flag is reflected on the windows of the U.S. embassy building in Kabul. Photos: (left) Bettmann via Getty Images; (right) Sajjad Hussain/AFP via Getty Images