Their size (you probably need a truck to move them) is more of a challenge. Nuclear weapons are well-shielded to not make handling them dangerous, therefore the

Their size (you probably need a truck to move them) is more of a challenge. Nuclear weapons are well-shielded to not make handling them dangerous, therefore their radiation is barely noticeable. After all, that's the reason lost ones are so hard to locate. Put them in a metal crate or a container, and they should fade into the natural background radiation.