The 6th Infantry Regiment,[1] active in Germany since 1950, was reorganized in mid-1958 according to the Pentomic structure: Each battle group consisted of five line (rifle) companies, a combat support company, and a headquarters & headquarters company. The Berlin Brigade had the 2nd[2] and 3rd Battle Groups, 6th Infantry until 1963, when Army force structure abandoned battle groups in favor of brigades and subordinate battalions.