According to Roman Martov, spokesman for the Russian PF, the forth warships detachment includes "Marshal Shaposhnikov" large antisubmarine ship, sea rescue tug and Pechenga tanker. Each ship will have on board a squad of marine troops of Pacific Fleet. Marshal Shaposhnikov ship carries two helicopters of PF aircraft.
Roman Martov reminded that the third detachment of Pacific Fleet was patrolling the area from July 30 through October 15 last year and escorting convoys of merchant ships from various countries. The warships returned to Vladivostok on November 16th 2009.