[NorthMountain]

Packing materials, brass, grenade pins, etc together is call residue. Depending on what it is, residue can also be accountable.

Would that have been true in Viet Nam, during the war? It would seem a bit difficult to enforce ...

[centurion316]

All of that stuff was burned, buried, or used for other purposes. The only problem was making sure that it didn’t end up in the hands of the enemy. Control of ammunition in combat was a chain of command function and a 24/7 job.