27th Battalion (Australia)

27th Battalion
Members of the 27th Battalion marching through Beaucourt-sur-l'Ancre in the Somme, France, 7 April 1918
Active	1915–1919 1921–1946 1948–1960 1965–1987
Country	Australia
Branch	Australian Army
Type	Infantry
Size	~800–1,000 men[Note 1]
Part of	7th Brigade (1915–19) 3rd Brigade (1921–42) 23rd Brigade (1942–46) 9th Brigade (1948–60; 1965–87)
Nickname(s)	South Australian Scottish Regiment
Motto(s)	Primus inter Pares
Colours	Brown over blue
March	The Campbells Are Coming
Engagements	World War I Gallipoli campaign Western Front World War II Bougainville campaign
Insignia
Unit colour patch

The 27th Battalion was an infantry battalion of the Australian Army. It was initially raised in 1915 as part of the all-volunteer First Australian Imperial Force for service during World War I. During the conflict, the battalion saw action briefly at Gallipoli before later fighting on the Western Front between 1916 and 1918. It was disbanded in 1919, but was re-raised in 1921 as part of the Citizens Force, which later became the "Militia". During World War II the battalion was used mainly in a garrison role until the last year of the war when it was committed to the fighting against the Japanese during the Bougainville campaign. Following the end of hostilities it was disbanded in May 1946. Between 1948 and 1965 the battalion was re-raised and disbanded a number of times before eventually becoming part of the Royal South Australia Regiment. It was disbanded for a final time in 1987, when it was amalgamated with the 10th Battalion, Royal South Australia Regiment to form the 10th/27th Battalion, Royal South Australia Regiment.

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