This is a ship from my kitbash days in the Starfleet Command gaming community, U.S.S. Chabot. Most assume this is a refit of the Excelsior Class, but actually the story behind the ship is that it's a brand new class of ship from the ground up, using the Excelsior as a base.
Original Chabot Design: Nannerslug
Original Mesh Components: Pneumonic81/Rick Knox, Wicked Zombie 45, and Redragon
Original Phaser Arrays: CptHooker
New Textures: GotAFarmYet?
Kitbash work: Myself (originally credited as Centurus)
Renders by myself as well.