Major equipment includes the M1A2SEP Tanks, M2A3 & M3A3 Bradley infantry fighting vehicles, M109A7 Paladin howitzers, and M1114 up-armored Humvees.

The brigade was converted and redesignated as HHC, 9th Armored Division Trains, and the unit deployed to the European Theater where it received campaign participation credit for the operations in Rhineland, Ardennes-Alsace, and Central Europe.

The 3rd Brigade, 1st Cavalry Division (Airmoble) sailed from Charleston, South Carolina to Qui Nhơn, Republic of Vietnam on 17 September 1965.

The first major action undertaken by the brigade began on 10 October 1965, and was followed by participation in the Battle of Ia Drang (14 November, 15,17) officially known as the Pleiku Campaign.

On 20 June 1972 in a ceremony attended by COMUSMACV General Creighton Abrams the brigade stood down and left South Vietnam for Fort Hood, Texas, to rejoin the 1st Cavalry Division.

[2] When its colors arrived at Fort Hood on 29 June 1972, the unit officially became the "Greywolf" Brigade, named after General George Crook, considered the U.S. Army's greatest Indian fighter.

While serving as the main regional force for Coalition efforts in the area it fell under the command of Multi-National Division-North (MND-N).

On 19 January 2009, they assumed control of FOB Marez in Mosul from the "Brave Rifles" of the 3rd Armored Cavalry Regiment.

On 17 December 2011, Greywolf's Special Troops Battalion was the last combat unit to redeploy from the war-torn nation, thus ending America's 9-year long war.