BACK in my kiap days it was quite common in the more remote districts for long patrols to be resupplied by airdrop. I have been on both the dropping and receiving sides of such operations.
The supplies most commonly dropped were food, usually rice and tinned fish or meat. At other times it might have been medical supplies like penicillin or specialist articles such as radio batteries and ammunition.
To get the food ready for a drop required opening the rice bags, which weighed around 20 kilograms each, and distributing half a dozen tins among the grains of rice. The bag was then tied shut before being placed in another bag, which was also tied shut but with room for movement.