Last month, Medvedev said that Russia will build more advanced warships, nuclear-powered submarines, as well as air defense systems to strengthen its air force and naval defense capabilities.

• 上个月，梅德韦杰夫表示，俄罗斯将通过建造更多的先进舰艇、核动力潜艇以及防空系统来加强其空军和海军的防御能力。