No supplies of any kind had gone into that place for many years, perhaps not forever.
If the supply goes down, wouldn't the price go up?
"We'll do the best we can to make our supplies go around."
We need to ask where the supplies went, what good they did and how many lives may have been saved.
"I think a decent supply of water would go down better."
Where did the supplies go when they were taken from this cellar?
So about half his local supply of Javelins went to the wrong area.
If we can reduce demand, then the supply of services will also go down.
But, you're right, supplies are not going to last forever.
All supplies essential for the existence of the space forces go through here.