THE TENSION: Combat Camera: U.S. Army Training in the 'Land Down Under'

Pvt. Eric Riddle searches for role-playing insurgents through the scope of his M240B machine gun. Photo by Petty Officer 2nd Class Sandra M. Palumbo, July 02, 2007

Spc. Ruben Casiano Jr. uses his Stryker vehicle's remote weapon system to scan the area for "enemy" contact. Photo by Petty Officer 2nd Class Sandra M. Palumbo, July 02, 2007

Soldiers roll to their next objective in their Stryker vehicles. Photo by Petty Officer 2nd Class Sandra M. Palumbo, July 02, 2007

1st Lt. Luke Booth monitors communications. Photo by Petty Officer 2nd Class Sandra M. Palumbo, July 02, 2007

Staff Sgt. George Adams (left) and Spc. Brenton Steckel monitor the Force XXI Battle Command Brigade-and-Below and Remote Weapons System screens in their Stryker vehicle, while looking for "enemy contacts." Photo by Petty Officer 2nd Class Sandra M. Palumbo, July 02, 2007

Sgt. Richard Boone maintains a security perimeter around a Stryker vehicle. The Soldiers are bundled up because it is winter in Australia this time of year. Photo by Petty Officer 2nd Class Sandra M. Palumbo, July 02, 2007

Spc. Ruben Casiano Jr. acquires targets and maintains communications while maneuvering a Stryker vehicle. Photo by Petty Officer 2nd Class Sandra M. Palumbo, July 02, 2007