Lately the emphasis has been on function
Posted by Don Murphy on October 5, 2014, 11:14:07, in reply to "CG, DDG, FFG: What's In A Name...?"
"cruiser" being the nomenclature for overall command ship/coordinator. So anything with Flag berthing and an enlarged CIC gets the title of cruiser while a standard Sprucan is just a destroyer. The MK-26 armed Kidd's are in the same situation.