Sony Pictures has released the first trailer for Greyhound, the World War II drama starring Tom Hanks as a US Navy skipper crossing dangerous waters. Hanks himself wrote the screenplay, while Aaron Schneider (Get Low) is in the director's chair. Hanks will play Commander Ernest Krause, who is tasked with shepherding an Allied convoy to the front lines through a Nazi U-boat-infested area. As you can see in the trailer down there, this does not go according to plan. The scope of this thing looks massive, but Hanks is no stranger to war epics. It's the …