Approximately 750 U.S. Army and military vehicles and equipment, including tanks, infantry fighting vehicles, artillery pieces and helicopters from the 3rd Infantry Division arrived in Riga, Latvia, on Monday by ship to support Operation Atlantic Resolve and planned Army-Europe multinational training exercises in that region. This equipment will be used for training of NATO allies in Estonia, Latvia and Lithuania.  First Brigade, 3rd Infantry Division, Rock of the Marne, is assuming responsibility as the land-force training mission from Army-Europe's 2nd Cavalry Regiment, who will depart in March. First Brigade, 3rd Infantry Division, is based in Fort Stewart, Georgia, and they are the Army's current regionally aligned force for Europe.  They will follow in on their equipment beginning next week, and are expected to remain in the region for approximately 90 days.