C-130s, Blackhawks and other aircraft.....LOTS of smaller arms.... This list isn't just a list of trashed out/deteriorated weapons. But according to you we'd have left it all anyway. I think not, and I don't think the Pentagon planned on that either.
https://fee.org/articles/here-s-the-list-of-billions-in-military-equipment-the-us-left-behind-for-the-taliban/
“But it's not just weapons. They have night vision goggles, body armor, and unbelievably, the Taliban now has biometric devices which have the fingerprints, eye scans and biographical information of all of the Afghans who helped us and were on our side over the last 20 years. There is no plan by the administration to get those weapons back.