In three months of hard fighting they seized the islands of Los Negros, Hauwei, Butjo Luo, and Manus, and alongside the 1st Brigade, destroyed a force of over Japanese.

The conquest of Leyte and Luzon were vital to operations in the Pacific, as they denied critical resources to the enemy and provided a staging area from which assaults in the Japanese home islands could be launched.

The 2nd Brigade would next see combat in Operation Silver Bayonet, where under the order of US Commanding General William Westmoreland the 1st Cavalry Division air assaulted into Pleiku Province to pursue and destroy the enemy over 2,500 square miles (6,500 km2) of jungle.

Soon after securing the LZ, the 7th Cavalry Soldiers began taking intense small arms, mortar, and rocket fire from an enemy force that vastly outnumbered them.

The pinned unit, 2nd Platoon of Bravo Company, had suffered heavy casualties, and like the rest of 1/7, would endure multiple enemy attacks throughout the night.

On 16 May 1966, 2nd Brigade took part in Operation Crazy Horse, a search and destroy mission against the 2nd Viet Cong Regiment in the jungle covered hills between Soui Ca and the Vinh Thanh Valleys.

For his heroic actions in support of Operation Crazy Horse, 2nd Brigade's SSG Jimmy G. Stewart was awarded the Medal of Honor.

On 13 September 1966, 2nd Brigade participated on Operation Thayer I, a search and destroy campaign in the Bình Định Province which would involve one of the largest air assaults ever attempted by the 1st Cavalry Division.

On 31 October 1966, 2nd Brigade launched Operation Paul Revere IV, a search and destroy campaign focusing on Chu Pong, the Ia Drang Valley and the Cambodian border area.

Operation Pershing was a massive search and destroy mission in the northern Bình Định Province, in which the 1st Cavalry Division committed all three of its brigades to the same area for the first time in Vietnam.

Operation Lejeune concluded successfully on 22 April 1967, and the 2nd Brigade returned to the Bình Định Province to continue rooting out the deeply entrenched enemy forces there.

While the 1st Cavalry Division was repelling the Tet Offensive, the 26th Marine Regiment was taking heavy bombardment and ground attacks at the Khe Sanh Combat Base.

On 1 April 1968, the 2nd Brigade, alongside other 1st Cavalry Division elements, conducted Operation Pegasus in order to relieve the Marines at Khe Sanh.

The 1st Cavalry Division completed the relief of the Marine units on 10 April and assumed responsibility for the Khe Sanh area of operations.

On 27 June 1968, 2nd Brigade took the lead in Operation Jeb Stuart III, a search and destroy mission in the Quang Tri Province.

There they conducted the largest peacetime field operation to date, participating in six weeks of intense combined arms training and live fire exercises.

In the Persian Gulf War, the 2nd Brigade of the 1st Cavalry Division deployed to Saudi Arabia in support of Operation Desert Shield.

XVIII Airborne Corps, which included the 1st Cavalry Division, was tasked with defending in depth in order to prevent the seizure of eastern Saudi Arabia by Iraqi forces.

As the war progressed into the offensive stage, the 1st Cavalry Division's mission changed in order to support the impending invasion of Iraq.

Later that night, the Black Jack Brigade participated in Operation Red Storm, an artillery and aviation barrage of Iraqi border targets designed to suggest that the area was being prepped for assault.

The brigade fought throughout the night and following day, fixing four Iraqi divisions and allowing the main invasion force to envelop the enemy from their west flank.

With its mission an unqualified success, the Black Jack Brigade withdrew back through the Wadi al-Batin and united with the VII Corps' assaulting force to pursue and destroy the Iraqi Republican Guard in the Basra Region.

During a critical period involving the Brcko Implementation Decision and the air war against the Former Republic of Yugoslavia, Black Jack soldiers maintained peace and stability.

The brigade combat team prepared and subsequently deployed 14 days after notification and returned to Fort Hood, Texas in early April 2002.

The Black Jack Brigade deployed to Iraq in January 2004 as the lead element for the 1st Cavalry Division in support of Operation Iraqi Freedom I.

During the brigade's Operation Iraqi Freedom I/II 14-month deployment Black Jack soldiers saw action in Western Baghdad, An Najaf, Fallujah, and Northern Babil.

During the deployment, the Black Jack Brigade provided humanitarian and military assistance to the local government and citizens of the Algiers district.

The 2nd Brigade Combat Team returned to Iraq for its second deployment in support of Operation Iraqi Freedom in October 2006 under the command of Colonel Roberts.

The mission of the brigade was to reduce the tension among the northern Iraq Kurds and Arabs and to disrupt the very active insurgency that was limiting forward progress for Kirkuk.

They also worked to significantly improve economic opportunities throughout the province by leveraging projects to create nearly 16,000 jobs in an area that was suffering from approximately 30 percent unemployment.