https://en.wikipedia.org/wiki/SEAL_Delivery_Vehicle https://en.wikipedia.org/wiki/SEAL_Delivery_Vehicle It has a range of roughly 20 miles necessitating carryi

https://en.wikipedia.org/wiki/SEAL_Delivery_Vehicle https://en.wikipedia.org/wiki/SEAL_Delivery_Vehicle It has a range of roughly 20 miles necessitating carrying it near the location. That "giant assault ship" is exactly what you use to carry one of these. It also explains how you haul a few hundred pounds of explosives down a hundred meters for planting.