Leaving behind equipment which is broken and not worth bringing back is common. What is different is the way Obama/Biden utterly abandon our allies because they aren't useful to their US domestic agenda.
https://www.euronews.com/2021/07/09/...special-report
While we did leave behind some allies in Vietnam to face the ravages of the NVA, the US did make a lot of efforts to help people get out and resettle here. The Obama/Biden crowd pretty much took the attitude that these people were associated with Bush and therefore disposable.Special Report-Afghan pilots assassinated by Taliban as U.S. withdraws
KABUL, – Afghan Air Force Major Dastagir Zamaray had grown so fearful of Taliban assassinations of off-duty forces in Kabul that he decided to sell his home to move to a safer pocket of Afghanistan’s sprawling capital.
Instead of being greeted by a prospective buyer at his realtor’s office earlier this year, the 41-year-old pilot was confronted by a gunman who walked inside and, without a word, fatally shot the real estate agent in the mouth.