The US officially re-launched the US Navy's Cold War-era Second Fleet Friday, a move that comes amid renewed concern over the threat posed by Russia.

"US Second Fleet has a storied history, and we will honor that legacy," Vice Adm. Andrew "Woody" Lewis, who took command of the fleet Friday, said during a ceremony marking the fleet's re-launch in Norfolk, Virginia.

Lewis said his goal was to "build a fleet that is ready to fight. Ready to fight so we don't have to."