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.