2160s(?) Daedalus-class 2190s(?) Einstein-class (assuming Federation: The First 100 Years) ???-class ???-class 2220s(?) Shepard-class Cardenas-class Hoover-class Nimitz-class Crossfield-class 2240s(?) Constitution-class (assuming Robert April date of 2240s) Saladin-class 2250s(?) ???-class (Ralph MacQuarrie study model from Qualor II) 2270s(?) Constitution-class refit What are everyone's thoughts on how well the starships of Burnham's era fit in? Obviously this is just for fun, so please treat everybody's opinions with respect.