Rations, Staple Foods
Provisions you can eat are still provisions and sometimes called rations, especially when troops are eating them.
This word often refers to staple foods like rice and wheat.
This is a jukugo word that uses the on'yomi readings of the kanji. You should be able to read this on your own.
There are plenty of emergency provisions.
Staple food shortages are not just a problem in this country.
It seems that the upper echelons of the military are refusing to distribute rations to all of their soldiers.