 Complete the following phrase:  The 11th Engineer Regiment 11ER is an Australian Army Reserve engineer regiment trained for sappercombat engineer and construction engineer operations. While 11 ER was formed on 1 January 2014 as a result of recent Australian Army modernisation efforts, 11 ERs lineage is traced back to early Queensland volunteer engineer units as early as 1879. 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. During World War II, it fought the Japanese during the Kokoda Track campaign and on 