Mare clausum defended a "Mare clausum" policy during the age of discovery. This was soon challenged by other European nations. From 30 BC to 117 AD the Roman Empire came to surround the Mediterranean by controlling most of its coasts. Romans started then to name this sea "mare nostrum" (Latin for "our sea"). At those times the period between November and March was considered the most dangerous for navigation, so it was declared ""mare clausum"" (closed sea), although bans on navigation were probably never enforced. In classical law the ocean was not territorial. However, since the Middle Ages maritime republics like the
Air Nostrum has 2,040 employees (in March 2007). Air Nostrum used to offer a comprehensive meal service on all scheduled flights. In early 2008, the airline eliminated its 'regional business class' cabin. The cabin is now split into separate business and economy sections along the lines of other major airlines. Economy passengers can purchase drinks and snacks from an onboard menu. In September 2017, Air Nostrum lodged an application to operate high speed rail services from Madrid Atocha to Gare de Montpellier-Saint-Roch in Southern France from 5 October 2018 with AVE Class 100 trains leased from Renfe Operadora. On 17 July 2018,