China's Fujian, the country's most advanced aircraft carrier, has embarked on its first sea trials from Shanghai in a significant stride towards the expansion of the world's largest naval fleet

China’s newest and most advanced aircraft carrier began sea trials this week, but it is still likely years away from regular, routine deployments, according to two experts.

The Fujian's first sea trial will test the aircraft carrier's propulsion and electrical systems, Chinese state media said on Wednesday.