There have been several editions and offspring versions of the Traveller RPG. Those are the ones I know of: Classic Traveller (the very first edition) Traveller T4 Traveller 5 Mongoose Traveller ...
How is piracy conducted in the Third Imperium? Does it all take place within 100D of a space port, as ships travel to or from their jump location? Or is there a way to waylay victims during a jump? ...