When a mission is finished the person that originally accepted the mission will split the reward among the people that participated by selecting the option to share the reward between the group when a mission is turned in. All modules, ammo, and drones that the mission runners acquire that is not of use to any member of the group or does not wish to be donated to the corp hangers will be sold by the person leading the group followed the group leader splitting the ISK acquired from the selling of the loot between the group. The group will decide between selling the salvage or keeping the salvage to use towards making rigs. You may contact Colovice for a spreadsheet to factor in salvage and mineral selling to the corp as well as tracking who was in your group and the ISK amount split.