![Marseilles, France - 20 June 2013. Modern cruise ships have extremely sophisticated GPS, electronic, radar and navigation systems. You can see some of Stock Photo - Alamy Marseilles, France - 20 June 2013. Modern cruise ships have extremely sophisticated GPS, electronic, radar and navigation systems. You can see some of Stock Photo - Alamy](https://c8.alamy.com/comp/2GMWAJT/marseilles-france-20-june-2013-modern-cruise-ships-have-extremely-sophisticated-gps-electronic-radar-and-navigation-systems-you-can-see-some-of-2GMWAJT.jpg)
Marseilles, France - 20 June 2013. Modern cruise ships have extremely sophisticated GPS, electronic, radar and navigation systems. You can see some of Stock Photo - Alamy
![Marseilles, France - 20 June 2013. Modern cruise ships have extremely sophisticated GPS, electronic, radar and navigation systems. You can see some of Stock Photo - Alamy Marseilles, France - 20 June 2013. Modern cruise ships have extremely sophisticated GPS, electronic, radar and navigation systems. You can see some of Stock Photo - Alamy](https://c8.alamy.com/comp/2GMTT1N/marseilles-france-20-june-2013-modern-cruise-ships-have-extremely-sophisticated-gps-electronic-radar-and-navigation-systems-you-can-see-some-of-2GMTT1N.jpg)
Marseilles, France - 20 June 2013. Modern cruise ships have extremely sophisticated GPS, electronic, radar and navigation systems. You can see some of Stock Photo - Alamy
![Norwegian Prima: New cruise ship to feature world's first free-fall dry slide at sea and a three-level racetrack | CNN Travel Norwegian Prima: New cruise ship to feature world's first free-fall dry slide at sea and a three-level racetrack | CNN Travel](http://cdn.cnn.com/cnnnext/dam/assets/210923000210-06-norwegian-prima-cruise-ship.jpg)
Norwegian Prima: New cruise ship to feature world's first free-fall dry slide at sea and a three-level racetrack | CNN Travel
![Monster of the deep: World's largest cruise ship is so vast that guests will have to use GPS to find their rooms! | Wetravel2u's Weblog Monster of the deep: World's largest cruise ship is so vast that guests will have to use GPS to find their rooms! | Wetravel2u's Weblog](https://i0.wp.com/cdn.logitravel.co.uk/contenidosShared/cruises/ship/735/profile.jpg)
Monster of the deep: World's largest cruise ship is so vast that guests will have to use GPS to find their rooms! | Wetravel2u's Weblog
![MSC Armonia cruise ship - Orsat GPS satellite navigation antenna, used for communications and to navigate the ship safely Stock Photo - Alamy MSC Armonia cruise ship - Orsat GPS satellite navigation antenna, used for communications and to navigate the ship safely Stock Photo - Alamy](https://c8.alamy.com/comp/C93W93/msc-armonia-cruise-ship-orsat-gps-satellite-navigation-antenna-used-C93W93.jpg)
MSC Armonia cruise ship - Orsat GPS satellite navigation antenna, used for communications and to navigate the ship safely Stock Photo - Alamy
![A GPS on the bridge of an Antarctic cruise ship showing the latitude and logitude when the ship reached the polar circle Stock Photo - Alamy A GPS on the bridge of an Antarctic cruise ship showing the latitude and logitude when the ship reached the polar circle Stock Photo - Alamy](https://c8.alamy.com/comp/T33BE1/a-gps-on-the-bridge-of-an-antarctic-cruise-ship-showing-the-latitude-and-logitude-when-the-ship-reached-the-polar-circle-T33BE1.jpg)