FORT DRUM N.Y. -- Soldiers of C Troop 2nd Squadron 101st Cavalry fire an 120 mm mortar here on May 19. The unit belongs to the New York Army National Guards 27th Infantry Brigade Combat Team. About 3000 brigade troops trained here from May 19 to 22 to rehearse for their exercise at the Army's Joint Readiness Training Center (JRTC) at Fort Polk Louisiana in July.