Corporal Noah J. Davidson (right), a Eugene, Ore., native, tosses a bag of dirty laundry to Lance Cpl. Ricardo DeJesus, a New York native. Both Marines are water purification specialists from 7th Engineer Support Battalion in support of 3rd Reconnaissance Battalion and 1st Battalion, 6th Marine Regiment. These Marines set up a water purification system nearly two months go, which produces purified water for drinking, showers and laundry services.