Inactivated 1 March 1991 in Germany after receiving notice they were to reflag as an Multiple Launch Rocket System (MLRS) Battalion in New Ulm Germany.

As part of the Army’s transformation to a modular fighting force, the battalion was reactivated on December 16, 2004 as a Self-Propelled 155mm Howitzer Battalion, to provide fires for the newly established 4th Brigade Combat Team of the 4th Infantry Division at Ft. Hood, TX.   View short news clip on Reactivation of Unit as part of 4th Infantry Division.

Redesignated 1 October 2005 as the 2d Battalion, 77th Field Artillery Regiment.

On January 14th, 2006, the Battalion deployed in support of operation Iraqi freedom, and operated within central and southern Baghdad. During the Battalion’s deployment the Battalion, fighting alongside Iraqi Security Forces, provided security for the Iraqi capital.

Upon returning to Fort Hood, Texas from Operation Iraqi Freedom, the Battalion was inactivated in late 2007 and was reactivated on 9 April 2008 at Fort Carson, Colorado.