An Australian tank roles past a squad in the Australian Defence Force members in the midst of rushing a building during a field combat training exercise at the Urban Operations Training Facility, Shoalwater Bay Training Area, during Talisman Sabre 2011. More than 1,000 U.S. and Australian troops came together to exercise urban warfare tactics and to build interoperability between the two countries. Marines with the 31st Marine Expeditionary Unit and soldiers with the 7th Brigade, Australian Defence Force, teamed up to form the blue forces.