Engineers of the Armed Forces of the Philippines distribute free water purified by a U.S. Marine Corps water purification unit, in Sagbayan, Bohol, Philippines, Oct 19. This is the third time this water purification unit has been used in response to a disaster since being pre-positioned in the Philippines. Since beginning production on Oct 17, the purifier has produced 346,000 liters of free water, and is one of two units provided by U.S. Marine Corps Forces, Pacific Experimentation Center for use by the AFP.