Soldiers from the Singapore Army and the United States (US) Army are training together in a simulated environment. Suddenly, enemy forces strike. Singapore and US are tasked to form a combined task force to take out the aggressors.

Four times the size of Singapore – that's the vast space the Singapore Armed Forces (SAF) works with at Shoalwater Bay Training Area (SWBTA) in Queensland, Australia, where Exercise Wallaby is currently underway.

The quiet of the morning is shattered by the explosion of machine guns and assault rifles. The tall grasses part as infantry soldiers from the Unites States (US) Army, who had been lying in wait, bash through the thick vegetation.