Navy Petty Officer 3rd Class Charles Luthor, right, ground-guides for Petty Officer 2nd Class Viktoria Thompson to get a load of gravel for a five-stall bathroom they are building for the Sromo Primary School in Svay Rieng province, Cambodia, Jan. 11, 2017. Luthor is an equipment operator and Thompson is an engineer assigned to Naval Mobile Construction Battalion 5. Navy photo by Petty Officer 1st Class Benjamin A. Lewis