U.S. Marine Corps Lance Cpls. Stephan A. Fournier (left) and Craig J. Reyes (right), both mortarmen with Golf Company, Battalion Landing Team 2nd Battalion 7th Marines, 31st Marine Expeditionary Unit, conduct a weapons drill with a 60 mm mortar as an Australian Blackhawk helicopter takes off behind them on Camp Rocky during Talisman Saber 2011. TS11 is a biennial combined training activity, designed to train Australian and U.S. forces in planning and conducting Combined Task Force operations to improve Australian Defense Force/U.S. combat readiness and interoperability. It reflects the closeness of the alliance and the strength and flexibility of the ongoing military-military relationship. - U.S. Marine Corps Lance Cpls. Stephan A. Fournier (left) and Craig J. Reyes (right), both mortarmen with Golf Company, Battalion Landing Team 2nd Battalion 7th Marines, 31st Marine Expeditionary Unit, conduct a weapons drill with a 60 mm mortar as an Australian Blackhawk helicopter takes off behind them on Camp Rocky during Talisman Saber 2011. TS11 is a biennial combined training activity, designed to train Australian and U.S. forces in planning and conducting Combined Task Force operations to improve Australian Defense Force/U.S. combat readiness and interoperability. It reflects the closeness of the alliance and the strength and flexibility of the ongoing military-military relationship.