Service members who make the ultimate sacrifice while serving in a combat zone are known as 'Fallen Angels.' Marines with the Personnel Retrieval and Processing detachment, 1st Marine Logistics Group (Forward), process the remains of the Angels and inventory their personal effects before sending them on their journey home. - Service members who make the ultimate sacrifice while serving in a combat zone are known as 'Fallen Angels.' Marines with the Personnel Retrieval and Processing detachment, 1st Marine Logistics Group (Forward), process the remains of the Angels and inventory their personal effects before sending them on their journey home.