160408-N-NO-181-003 TAKEO, Cambodia (Apr. 8, 2016) - Utilitiesman Constructionman Austin Wells (front right) and Hospital Corpsman 2nd Class Johnathan Haynesevans (back left), assigned to Naval Mobile Construction Battalion (NMCB) 4, operate hand tampers to compact gravel and dirt over a foundation as Construction Electrician Constructionman Gabriel Munoz (center left) and Construction Electrician Constructionman Daniel Thompson (center right) continue to smooth out the dirt in the compacting process before they can pour the concrete. (U.S. Navy photo by Builder Constructionman Danielle Rhodes/Released)