160416-N-NO181-558 DILI, Timor Leste (Apr. 16, 2016) Builder 3rd Class (SCW) Ian-Lee Enriquez from Maui, Hawaii, Project Safety Petty Officer Steelworker 3rd Class Joshua Schmidt from Belmont, New York, and Builder 3rd Class (SCW) Luis Filpo from New York City, New York, assigned to Naval Mobile Construction Battalion (NMCB) 4, ensure sand is compacted to a height of 50 millimeters using a vibratory sled. The sand will provide a stable base for the reinforced concrete footers, the lowest part of the foundation for the Manleuana Primary School. (U.S. Navy photo by Construction Electrician Constructionman George Oliver/Released)