<prompt> Kamilisha sentensi ifuatayo: 2 CERs lineage is formally traced to 4th Field Company 4 Fd Coy Royal Australian Engineers, which was raised in the early stages of World War I. Iliyobadilishwa jina kuwa 7th Field Company 7 Fd Coy mnamo 1915, kitengo hicho kilikuwa maarufu kwa huduma yake nchini Ufaransa na Ubelgiji katika vita vya Somme, Menin Road na kwenye Mstari wa Hindenburg. Wakati wa Vita Kuu ya II, 7 Fd Coy walipigana Kijapani katika  <response>: Kokoda na Bougainville. 