Posi was an Imperial Modular conveyor that was to pick up munitions at the Elliirad Platform while the platform was under attack by a Rebel Alliance strike force consisting of Y-wings what were targeting the freighters, A-wings attempting to provide starfighter support for the Y-wings and a commando unit in a stolen Escort shuttle intending to destroy the station with explosives.
Behind the scenes[]
The outcome depends on what happens during the mission, it is either destroyed or escapes into hyperspace.