designer summary Mercenary is a Macintosh application for Traveller (Classic) that generates characters with an Army or Marines background. It follows the rules in Book 4: Mercenary. It includes two starting options for the player character: Enrollment in the Military or Naval Academy as defined in Military Academy: An Option for Mercenary. Application to flight school for marine characters achieving honors is not supported. A +1 DM on promotion die rolls is available for both army and marine academy graduates. Enrollment in college as defined in Book 5: High Guard (Second Edition). Application to medical school or flight school for characters achieving honors is not supported. At each point in the character generation rules where the player may select options, these are offered, along with a description that includes the success die roll and die modifiers, if any.