This discussion is to spell out the rule/setting combination known as the LTU. I'll keep this OP updated as the model gets refined.
The LTU is a large-ship, high-traffic setting which shares the known timeline with the OTU, up to 1116 (there are discussions about behind-the-scenes undocumented happenings before then). It is described in GURPS: Traveller (GT) supplements.
GT materials cover a setting where the emperor of the Third Imperium was not assassinated, the Imperium does not dissolve through civil war, and Virus is not unleashed upon Charted Space. It is in that sense an extension of the "Golden Era" that the OTU focused on for the first ten years of Traveller. As a result, much of the OTU material is also usable by the LTU: for example, the CT Alien Modules remain valuable setting material, as do the CT adventures.
While the LTU is only used by the GT ruleset, the timeline, assumptions, and Library Data are well divorced from actual rules, to the point where the setting is easily ported to any version of Traveller.
The LTU is a large-ship, high-traffic setting which shares the known timeline with the OTU, up to 1116 (there are discussions about behind-the-scenes undocumented happenings before then). It is described in GURPS: Traveller (GT) supplements.
GT materials cover a setting where the emperor of the Third Imperium was not assassinated, the Imperium does not dissolve through civil war, and Virus is not unleashed upon Charted Space. It is in that sense an extension of the "Golden Era" that the OTU focused on for the first ten years of Traveller. As a result, much of the OTU material is also usable by the LTU: for example, the CT Alien Modules remain valuable setting material, as do the CT adventures.
While the LTU is only used by the GT ruleset, the timeline, assumptions, and Library Data are well divorced from actual rules, to the point where the setting is easily ported to any version of Traveller.