153d Infantry Regiment often being referred to as the two-thirds (2/3) battalion by personnel of the brigade. 3d Battalion, 153d Infantry Regiment adopted the 2d Battalion, 153d Infantry Regiment nickname and call sign, "Gunslingers" for Operation Iraqi Freedom. National Guard Bureau met the brigade's need for additional soldiers by alerting 2d Battalion, 162d Infantry Regiment, from the Oregon National Guard; a platoon of Company B, 1st Battalion, 108th Infantry Regiment, New York National Guard; a platoon of Company C, 1st Battalion, 102d Infantry Regiment from the Connecticut National Guard; the 1115th Transportation Company and elements of the 642d Maintenance Company from the New Mexico Army National Guard; elements of 629th Military Intelligence Battalion from the Maryland National Guard; elements of HHSC, 233d Military Intelligence Company, California National Guard; and, Battery A, 1st Battalion, 103d Field Artillery, Rhode Island National Guard to round out the brigade and bring it to its full deployment strength of 3700 soldiers. With the addition of Company A, 28th Signal Battalion, from the Pennsylvania National Guard, the brigade included National Guard soldiers from ten states. The brigade's mission during Operation Iraqi Freedom was to conduct full-spectrum operations focused on stability and support operations and to secure key terrain in and around Baghdad, supported by focused and fully integrated information (IO) and civil-military operations, in order to enable the progressive transfer of authority to the Iraqi people, their institutions and a legitimate Iraqi national government. The lines of operation as established by 1st Cavalry Division included: combat operations; train and equip security forces; essential services; promote governance; and, economic pluralism, with information operations interconnected throughout. The end state envisioned by Maj. Gen. Peter W. Chiarelli of these full spectrum operations was a secure and stable environment for Iraqis, maintained by indigenous police and security forces under the direction of a legitimate, national government that is freely elected and accepts economic pluralism. The 39th Infantry Brigade relieved the 1st Brigade, 1st Armored Division in the Baghdad neighborhoods of Adhamiyah and Rusafa as well as elements of 3rd Brigade, 1st Armored Division at Camp Taji. This relief in place took place in the midst of a multiparty insurgency uprising. The brigade's convoys were heavily opposed during the convoy north. The brigade was task organized with 1st Battalion, 153d Infantry Regiment being detached to 3d Brigade, 1st Cavalry Division, in exchange for the attachment of 2d Squadron, 7th Cavalry Regiment,