The 727th separate battalion of marines of the Caspian Flotilla was formed in 2000 and it was a part of the 77 separate brigade of marines. But in December 2009 the brigade was disbanded, the battalion continued its existence and its soldiers were billeted in the 114th military camp in Astrakhan. The main marines' purposes are the protection and defense of the Caspian Flotilla, resistance to terrorism, localization of border conflicts in the Caspian sea and others.
Among the soldiers: 70% of Russians, 20% of Caucasians, 5% of Kazakhs, 3% of Kalmyks and 2% of Azerbaijanis who serve in the battalion.
Recently there were military exercises. Their task was to achieve coordinated actions during the precedence to attack actions, the overcoming of mine obstacles and the enemy destruction in the first trench.