Turn supplies into cover.
You are helping establish or maintain a FOB.
Your plan
Choose a hammer that supports the pieces you intend to build. Coordinate with the base operator and make sure Build Supplies will be available.
Before buying
Small Hammer: small structures, slow building. Medium Hammer: basic and large structures, moderate speed. Large Hammer: all buildables, fastest listed speed. Every hammer needs Build Supplies.
Consider the trade-offA hammer without supplies or a useful construction job ties up your specialist choice.