This is the Normandy SR2, the famed Frigate commanded by Commander Shepard in Bioware's Mass Effect 2(tm).

Mass Effect 2 ingame Codex Entry:

With elaborate secrecy, Cerberus labored for years to build a new, superior Normandy. The vehicle's many alterations required a craft nearly double the original size, requiring an even larger Tantalus drive core to compensate.

The new Normandy features greater space in living quarters, research laboratory, observation deck, and cargo bay. Its shuttle can attempt to make landings the Normandy cannot attempt. In addition to tightbeam communications, Normandy's Quantium Entanglement Communicator (QEC) provides an instantaneous contact with the Illusive Man. The Enhanced Defense functions, assisting and even supplanting human piloting. (...)