How to resupply

[Weasel]

You don't need both, the only difference between ammo box, dump and truck is the amount of rounds they resupply per turn. To resupply the unit must sit beside the ammo dump a complete turn, not moving. The levels that each resupplies is in the manual I believe. Box is lowest, then truck then dump but remember they can explode and kill those around them, especially the dump.