In 1916, 11th Field Company (11 Fd Coy) was formed and during World War I, this unit was renowned for action during the Battle of the Somme and the Hindenburg Line.

This two-storey timber building was rectangular in shape, and was constructed to the design of Queensland Public Works Department architects.

[1][2] The 11th Field Company was raised for overseas service with the First Australian Imperial Force (AIF) and served with distinction in France during World War I, where it saw action in the Battle of the Somme and the Hindenburg Line[3] before returning to Australia and disbandment in 1919.

In 1921 the Australian government decided to restructure the part-time Citizens Forces units to replicate the numerical designations and perpetuate the honours of the AIF.

[6] During this time the units of the Militia undertook brief periods of continuous service to participate in training and other defensive tasks in Australia in an effort to improve the nation's defences in case of war in the Pacific.

7 Field Company was called out for full-time service in May 1942 and was eventually gazetted as an Australian Imperial Force unit.

The unit served in Papua New Guinea and fought against the Japanese along the Kokoda Track and on Bougainville Island until the end of the war.

A second Queensland unit, the 11th Field Company, which had been based at Kelvin Grove and Toowong before the war,[8] also saw active service in New Guinea and Bougainville during this time.

After the implementation of Plan Beersheba in 2013, 11 Combat Engineering Squadron transferred to the newly titled 11 ER on 1 January 2015.