There are a number of different supply drop locations in Arc Raiders, but to call one, you'll need to first find a call station, which is essentially a small antenna. As part of the "A Better Use" ...

Supply Drops are a useful mechanic in Arc Raiders, as they can be used to quickly access supplies while on a raid. This includes things like ammunition, bandages, shield rechargers, and more. These ...

Keep your eye on the sky, though, as you'll need to see where the Supply Drop pod will land. Head to the Supply Drop and breach the container to collect ammo, crafting materials, and basic supplies.