The perhaps oldest means of transportation and something more sophsticated used by Bundeswehr Gebirgsjäger.

https://www.bundeswehr.de/portal/a/bwde/!ut/p/c4/NYxBC4JAEIX_0YxbQtKtEKFLHcsuMbqDDri7Mox66ce3HnoPvsvHe_jG3EirDGSSIk34wraXc7dBt3mGsEwmgb0QrOI5kfajrDAyK3QspsQDfw6Fc_jcr_KkT5Ftp3E0yRyULCnMSW3azaKaDYjHtnD11Z2Kf9y3qqumLsvqeLs3D5xDuPwAajojQw!!/

I have a soft spot for mule and horse transport, so I wish that some company would do good mules and Haflingers. And of course a Bombardier.