6th Military Information Support Operations Battalion (Airborne)
6th Psychological Operations Battalion (Airborne)

In 2010, the US Army announced its intention to rename the entire Psychological Operations Branch as the Military Information Support Operations (MISO) Branch. It was unclear, when and if this shift formally authorized and to what extent and changes had been made. As of 2011, both the Army's Center of Military History and the Department of Defense's Institute of Heraldry were still referring to psychological operations rather than MISO. Units aligned under Army Special Operations Command, such as the 6th Military Information Support Operations Battalion (Airborne), were using the MISO term, but reserve component elements were still using the term psychological operations.

The 6th Psychological Operations Battalion (Airborne) was tasked with the dissemination of propaganda by radio broadcast and prepared leaflets. The 6th Psychological Operations Battalion was a subordinate unit of the 4th Psychological Operations Group (Airborne). The 6th had regional responsibility over the area covered by US European Command (EUCOM), including Africa, excepting the Horn of Africa. After the separation of EUCOM's African area of responsibility, which became part of US Africa Command (AFRICOM), the Battalion continued to provide support for that region until the activation of 7th Military Information Support Battalion (Airborne) in October 2011.

The 6th Psychological Operations Battalion (Airborne) was first constituted on 20 October 1965 in the Regular Army as the 6th Psychological Operations Battalion and activated on 1 November 1965 in Vietnam. It was inactivated there on 30 June 1971. The Battalion participated in 12 campaigns of the conflict in Vietnam: Counteroffensive, Counteroffensive Phase II, Counteroffensive Phase III, Tet Counteroffensive, Counteroffensive Phase IV, Counteroffensive Phase V, Counteroffensive Phase VI, Tet 69/Counteroffensive, Summer-Fall 1969, Winter-Spring 1970, Sanctuary Counteroffensive, and Counteroffensive Phase VII.

While inactive, the unit was reorganized and redesignated on 16 March 1990 as Headquarters and Headquarters Company, 6th Psychological Operations Battalion. The unit was reorganized and redesignated on 16 November 1995 as Headquarters, Headquarters and Service Company, 6th Psychological Operations Battalion with its organic elements concurrently constituted and activated with personnel from provisional units. These provisional units had participated in Operation Desert Shield and Operation Desert Storm, and subsequently the unit was authorized campaign streamers for Defense of Saudi Arabia, Liberation and Defense of Kuwait, and Cease-Fire.

In 2010, the US Army announced its intention to rename the entire Psychological Operations Branch as the Military Information Support Operations (MISO) Branch. It was unclear, when and if this shift formally authorized and to what extent and changes had been made. As of 2011, both the Army's Center of Military History and the Department of Defense's Institute of Heraldry were still referring to psychological operations rather than MISO. Units aligned under Army Special Operations Command were using the MISO term, but reserve component elements were still using the term psychological operations.

With the announcement that the US would create a unified command for much of Africa in 2007, it was expected that 6th Psychological Operations Battalion would become regionally focused toward Africa, while the 9th Psychological Operations Battalion was refocused to the EUCOM area of responsibility. In the end, the Battalion initially continued to provide support to the new command, US Africa Command (AFRICOM), after its formal establishment in 2008. It continued to do so until October 2011, when the 7th Military Information Support Operations Battalion (Airborne) was activated, focused toward the AFRICOM area of responsibility. 9th Military Information Support Operations Battalion (previously designated as 9th Psychological Operations Battalion) became the only tactical battalion assigned to Army Special Operations Command.