sentences:  Instead of both being assigned to the same force, Marygay is assigned on another collapsar mission, and Mandella to a training battalion, to also eventually lead a different mission.The different locations of their goals - Mandella's mission is to be the greatest series of sequential collapsar jumps ever made - make an eventual reunion almost impossible.On their return they will have aged so differently, that it is unlikely both will be alive - even if they both survive the combat.