, only two countries operated active duty vessels formally classed as cruisers: the United States and Russia. These cruisers are primarily armed with guided missiles, with the exceptions of the aircraft cruiser . was the last gun cruiser in service, serving with the Peruvian Navy until 2017.
 only two countries operated active duty vessels formally classed as cruisers the united states and russia these cruisers are primarily armed with guided missiles with the exceptions of the aircraft cruiser  was the last gun cruiser in service serving with the peruvian navy until 2017