More ultra-deep lore hidden away in modern Trek, in Lower Decks S02E02 we see models of previous Titans in the USS Titan conference lounge. They include…
a Titan missile (the basis for Zefram Cochrane’s Phoenix warp testbed)
The first known concept art for what eventually became the USS Enterprise, by W. Matt Jeffries
A Loknar-class starship from the FASA RPG Sourcebooks
More on the Loknar-class USS Titan NCC-2752, from the FASA Federation Ship Recognition Manual, versions one and two:
This is the second time modern Trek has mined FASA for details, the first being the co-ordinates for Talos IV in Discovery season two which were taken directly from the FASA sourcebook The Federation.