July 30 (Reuters) - Three fleets of the Russian navy and

a flotilla have begun scheduled exercises involving 20,000

personnel and 300 ships, Russia's Interfax and TASS news

agencies reported on Tuesday.

The main goal of the drills, which will involve the

country's Northern, Pacific and Baltic fleets as well as the

Caspian Flotilla, is to test the military command bodies of the

Navy, TASS news agency reported, citing the Russian defence

ministry.