Lance Cpl. Cory B. Smith, hygiene equipment operator, Combat Logistics Battalion 3, prepares to pump clean water into an M-149 water tank in Crow Valley, Philippines, for Exercise Balikatan 2012, April 11. He used a Tactical Water Purification System to turn raw river water into potable water for the camp. "It's crucial to have a sustainable amount of water at all times," Smith said. "Before we had to wait for water trucks to come in from the locals to start purifying water, and that wasn't enough to meet our camp's needs." - Lance Cpl. Cory B. Smith, hygiene equipment operator, Combat Logistics Battalion 3, prepares to pump clean water into an M-149 water tank in Crow Valley, Philippines, for Exercise Balikatan 2012, April 11. He used a Tactical Water Purification System to turn raw river water into potable water for the camp. "It's crucial to have a sustainable amount of water at all times," Smith said. "Before we had to wait for water trucks to come in from the locals to start purifying water, and that wasn't enough to meet our camp's needs."