1) Go into any of the Officers tent ( the tent with the rounded top and the one wooden door, in the military bases .
2) Take ALL gear out of the building making sure to "crouch & tab" to see stuff under the floor-boards.
3) Once all items have been removed, enter the tent and close the door and wait 30 seconds.
4) "Crouch & Tab" to see all items spawning under the floor.
5) Repeat the process. Taking all item out and dropping them on the ground and return and close the door and have new loot spawn over and over.