Cmdr. Michael Bangs, left, assigned to Navy Environmental Preventive Medicine Unit Six (NEPMU-6), discusses the conditions of an internally displaced persons (IDP) camp.

Banda Aceh, Sumatra, Indonesia (Mar. 09, 2005) Cmdr. Michael Bangs, left, assigned to Navy Environmental Preventive Medicine Unit Six (NEPMU-6), discusses the conditions of an internally displaced persons (IDP) camp as Hospital Corpsman 3rd Class Ron Berard, right, takes a water sample in Banda Aceh, Indonesia. Berard is taking water samples to test for disease and impurities in the water. NEPMU-6 is currently operating in Banda Aceh on the island of Sumatra, Indonesia, and is conducting daily operations to assess health concerns including water, soil studies, and disease and vector control in displaced personnel camps. U.S. Navy photo by Photographer's Mate 3rd Class Rebecca J. Moat File# 050309-N-8629M-074