I guess they could thumb a ride from farmers or hike to their destination. Motorcycles were used WW-II by British Special Ops Airborne groups as well as Italian, German, and American forces. That would probably be a good way to infiltrate with hand carried anti-tank weapons.
Here is a link showing what American Special Ops Forces currently use. And considering the lightweight electric bikes available today it would make for a very fast and quiet infiltration that allows for travel where traditional military vehicles cannot.
If you’re going to take pot shots at posters maybe you should know what you’re talking about first.