US submarine pulls into Guantanamo Bay a day after Russian warships arrive in Cuba The Associated PressRussian warship near Cuba can carry Putin’s prized hypersonic missiles Business InsiderRussian Flotilla Off Florida Coast Sparks Deployment of US Navy Destroyers, Planes Military.comPutin’s fleet of warships in Cuba is direct warning to Biden, experts say Fox NewsEx-spy says US should be concerned by Russian ships visiting Cuba The Independent