The U.S. aircraft carrier USS Nimitz and its strike group arrived in the Caribbean this week amid U.S. tensions with Cuba and as President Trump has threatened to invade the island. The Nimitz-class battleship; its air wing made up of F/A-18E Super Hornets, EA-18G Growlers and C-2A Greyhounds; along with USS Gridley, an Arleigh Burke-class destroyer, and USNS… Â