Requisitions Officer
This person has the role for ordering cargo and dispensing attachments to the marines.These are non-combat personnel but are equipped with a pistol for self defense.You are the overseer of cargo and you report directly to the commander or executive officer.The requisition officer has the ability to send crates of ammo,rations,explosives and etc down to the planet by placing them on squad launch pads located near the supply shuttle.Just put a crate in there filled with goods and the Overwatch officer will launch it down to the planet if the squad leader deploys a supply beacon down.
Sooner or later you will run out of attachments to give to the marines so order them in via the supply shuttle console and send the ship back from Central Command to the Sulaco.