Consider the 50s and 60s war films of exchanges in the Atlantic battle but this brings a great deal more scope to the drama that unfolded during these high octane exchanges.Its not before time we seen a film like this,its long overdue by my reckoning.We've had the Uboat perspective with Das Boot but here we have its match in Greyhound,apart from some instances in the film which would never have taken place i still think the movies delivers on thrill with its fast pace action and a captain that shows what pressures these guys were under crossing the Atlantic in the Convoy system.